1888 of 1888 classified  ·  2277 total cited

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#121

The Open Society and Its Enemies

Karl R. Popper · Composed 1938–1943 in New Zealand exile; published 1945 (2 vols)
Political-philosophical treatise in two volumes · Twentieth-century political liberalism / philosophy of science applied to politics

The closed society of tribal traditions vs the open society of critical inquiry — and the historicist enemies that produce totalitarianism

25% pragmatic-realism 15% realism 10% naturalism 10% liberal-theology 10% critical-realism 10% empiricism 10% pragmatism 5% constructivism 5% liberation-theology +6
#122

On the Genealogy of Morality (Late)

Friedrich Nietzsche · 1887 (composed in 20 days)
Three connected essays · Continental philosophy / Nietzsche's mature critique of morality

Good/evil as slave-revolt in morality; bad conscience as turned-in cruelty; the ascetic ideal as the human will's defence against its own meaninglessness

25% nihilism 15% existentialism 25% postmodernism 10% constructivism 5% process-philosophy 10% naturalism 5% critical-realism 5% transcendentalism +5
#123

Concluding Unscientific Postscript

Søren Kierkegaard (under the pseudonym Johannes Climacus) · 1846
Pseudonymous philosophical treatise · Christian existentialism / Danish Lutheranism

Truth is subjectivity — and an objective approach to Christianity is precisely how one misses it

45% existentialism 20% lutheranism 15% phenomenology 5% pyrrhonism 10% absurdism 5% reformed-calvinist-theology +3
#124

On Free Choice of the Will (Early)

Augustine of Hippo · c. 387–395 (Book I in Rome 388; Books II–III at Hippo c. 391–395)
Three-book philosophical dialogue with his friend Evodius · Latin Christianity / Augustinian theology

God is not the author of evil — free will is; and yet the will's very freedom is itself a divine gift

25% catholic-thomistic 15% lutheranism 15% reformed-calvinist-theology 15% neo-platonism 10% rationalism 10% platonism-classical 10% christian-personalism 8% augustinianism +5
#125

Meno (Early)

Plato · c. 386–380 BC (transitional dialogue)
Philosophical dialogue · Classical Greek philosophy / Platonism

Can virtue be taught? — and the slave-boy who, asked questions, recovers geometric truth he never learned

40% platonism-classical 25% rationalism 10% idealism 10% realism 5% neo-platonism 5% catholic-thomistic 5% analytic-metaphysics +4
#126

A History of Western Philosophy (Late)

Bertrand Russell · 1945
Historical-philosophical survey · Twentieth-century analytic philosophy / popular philosophical history

Two millennia of Western philosophy narrated by a Nobel-laureate philosopher with strong opinions and clear English

25% analytic-metaphysics 20% empiricism 15% naturalism 10% logical-positivism 10% platonism-classical 10% pragmatic-realism 10% realism 8% analytic-philosophy +5
#127

The Courage to Be

Paul Tillich · 1952 (Terry Lectures, Yale, 1950)
Six-chapter philosophical-theological treatise · Twentieth-century philosophical theology / existentialist theology

Anxiety of fate, guilt, and meaninglessness is overcome by the courage to be — grounded in the God who appears when the God of theism has disappeared

30% existentialism 25% liberal-theology 15% lutheranism 10% phenomenology 5% reformed-calvinist-theology 5% absurdism 5% process-theology 5% christian-personalism +5
#128

After Virtue

Alasdair MacIntyre · 1981 (1st ed.); 1984 (2nd ed.); 2007 (3rd ed., with new prologue)
Philosophical treatise in nineteen chapters · Twentieth-century moral philosophy / virtue ethics revival

Modern moral disagreement is interminable because we have inherited fragments of a tradition we no longer understand — recovery requires returning to Aristotle

30% catholic-thomistic 20% realism 10% hylomorphism 10% pragmatic-realism 5% reformed-calvinist-theology 5% critical-realism 5% liberation-theology 5% lutheranism 10% christian-personalism +6
#129

Theory of Communicative Action

Jürgen Habermas · 1981 (German, 2 vols)
Two-volume systematic social-philosophical treatise · Frankfurt School / discourse theory / critical theory

Rationality is built into the structure of communication itself — and the lifeworld of democratic discourse is being colonised by instrumental system imperatives

25% pragmatic-realism 15% dialectical-materialism 20% pragmatism 10% kantian-transcendental-idealism 10% critical-realism 5% liberal-theology 5% liberation-theology 10% constructivism +5
#130

Discipline and Punish (Late)

Michel Foucault · 1975
Genealogical study in four parts (Torture / Punishment / Discipline / Prison) · French post-structuralism / genealogical method

The body of the condemned moves from spectacular torture to disciplinary surveillance — and the panopticon's gaze becomes the modern soul

35% postmodernism 15% liberation-theology 15% constructivism 10% dialectical-materialism 10% relationalism 5% naturalism 5% structuralism 5% pyrrhonism 8% continental-philosophy 8% post-structuralism +7
#131

The Abolition of Man

C. S. Lewis · 1943 (Riddell Memorial Lectures, Durham, 1942)
Three lectures with extensive appendix on the Tao · Anglican Christianity / natural law tradition

Without the natural law, "man's power over nature" becomes some men's power over other men — and the conditioners abolish the very humanity they claim to perfect

25% realism 20% catholic-thomistic 15% evangelical-protestantism 10% reformed-calvinist-theology 10% hylomorphism 5% platonism-classical 10% christian-personalism 5% eastern-orthodox-christianity 6% anglicanism +6
#132

Commentary on Romans (Early)

Karl Barth · 1919 (1st ed.); 1922 (2nd ed., radically revised)
Theological commentary on Paul's Epistle to the Romans · Twentieth-century Reformed / dialectical theology

God is in heaven, and you are on the earth — the infinite qualitative difference between God and humanity, recovered against liberal Protestantism

50% reformed-calvinist-theology 20% lutheranism 10% existentialism 5% evangelical-protestantism 5% eastern-orthodox-christianity 5% christian-personalism 5% liberation-theology 8% neo-orthodoxy +5
#133

Physics

Aristotle · c. 350 BC (second Athenian period)
Treatise in eight books · Classical Greek philosophy / Aristotelian natural philosophy

The four causes, place and void, time as the number of motion — the founding text of Western natural philosophy for two millennia

25% hylomorphism 15% realism 25% catholic-thomistic 10% islamic-philosophy-falsafa 5% jewish-philosophy-maimonidean 10% critical-realism 5% process-philosophy 5% panpsychism +5
#134

Theological-Political Treatise (Early)

Baruch Spinoza · 1670 (anonymously, with false imprint)
Political-theological treatise in twenty chapters · Early modern rationalism / biblical criticism / political philosophy

Scripture's meaning is to be sought by historical-critical reading; freedom of philosophising is necessary for the state — anonymous and immediately banned

25% spinozist-pantheism 20% naturalism 15% rationalism 10% pragmatic-realism 10% liberal-theology 5% empiricism 5% deism 5% jewish-philosophy-maimonidean 5% constructivism +6
#135

The Brothers Karamazov (Late)

Fyodor Dostoevsky · 1879–1880 (serialised in The Russian Messenger)
Novel in four parts and an epilogue, 12 books · Russian realism / philosophical fiction / Orthodox Christianity

If God does not exist, everything is permitted — and the great theological-philosophical novel that takes the question with full seriousness

25% eastern-orthodox-christianity 25% existentialism 10% absurdism 10% christian-personalism 5% catholic-thomistic 5% liberal-theology 5% reformed-calvinist-theology 5% phenomenology 5% liberation-theology 5% evangelical-protestantism +7
#136

Existentialism Is a Humanism

Jean-Paul Sartre · 29 October 1945 (Paris lecture); 1946 (published)
Public lecture with question-and-answer transcript · French existentialism

Existence precedes essence — we are nothing until we make ourselves; man is condemned to be free

45% existentialism 10% naturalism 15% constructivism 10% phenomenology 5% absurdism 10% dialectical-materialism 5% liberation-theology 8% continental-philosophy +5
#137

Opticks (Late)

Isaac Newton · 1704 (English first edition); 1706 (Latin)
Scientific treatise in three books, with Queries appended · Early modern natural philosophy / experimental method

The corpuscular theory of light, Newton's rings, the spectrum — and the famous Queries that speculatively probe gravity, ether, life, and the nature of God

20% naturalism 20% empiricism 15% realism 20% deism 5% rationalism 10% critical-realism 5% eternalism 5% analytic-metaphysics 8% newtonianism +6
#138

Theaetetus (Late)

Plato · c. 369 BC (late dialogue)
Philosophical dialogue · Classical Greek philosophy / Platonism

What is knowledge? — three definitions (perception, true belief, true belief with logos) examined and found inadequate; the dialogue ends in aporia

35% platonism-classical 15% pyrrhonism 15% rationalism 15% analytic-metaphysics 5% empiricism 5% relativism 5% phenomenology 5% neo-platonism +5
#139

Crito (Early)

Plato · c. 399–395 BC (composed shortly after Socrates's death)
Philosophical dialogue · Classical Greek philosophy / political philosophy

The Laws of Athens speak: by remaining and accepting their benefits, the citizen has tacitly agreed to be bound by them — even unto death

30% platonism-classical 20% stoicism 10% pragmatic-realism 10% catholic-thomistic 10% realism 5% reformed-calvinist-theology 5% existentialism 5% constructivism 5% liberation-theology +6
#140

Laws (Latest)

Plato · Composed late in life (final years before 347 BC); unrevised at his death
Three-character dialogue in twelve books · Classical Greek political philosophy / Platonism

Plato's late political philosophy — no longer the philosopher-king but the rule of law, with extensive religious legislation and a Nocturnal Council

35% platonism-classical 15% realism 20% catholic-thomistic 5% hylomorphism 5% reformed-calvinist-theology 10% deism 5% critical-realism 5% liberal-theology +5
#141

A Letter Concerning Toleration (Late)

John Locke · Written in Latin 1685 in Holland; published anonymously 1689 (Latin and English)
Philosophical-political treatise as a letter · Early modern liberal political philosophy

The care of souls cannot belong to the civil magistrate — and toleration of religious difference is the fundamental Christian and civic virtue

20% liberal-theology 15% pragmatic-realism 15% realism 10% deism 10% empiricism 10% evangelical-protestantism 5% liberation-theology 10% reformed-calvinist-theology 5% rationalism 6% social-contract +7
#142

The Natural History of Religion (Late)

David Hume · 1757 (Four Dissertations)
Philosophical-anthropological essay · Scottish Enlightenment / philosophy of religion

Religion arose not from rational argument but from fear of natural events — and polytheism, not monotheism, is the natural human starting-point

30% naturalism 20% empiricism 10% pyrrhonism 10% logical-positivism 10% liberal-theology 5% relativism 5% deism 5% nihilism 5% absurdism +6
#143

Apologia Pro Vita Sua (Late)

John Henry Newman · 1864 (in seven weekly instalments)
Spiritual autobiography · Nineteenth-century English Catholic intellectual revival

Newman's account of his journey from Evangelical Anglican to Catholic — written in seven weeks under attack, becoming one of the great Victorian autobiographies

35% catholic-thomistic 10% evangelical-protestantism 15% christian-personalism 5% phenomenology 5% reformed-calvinist-theology 5% eastern-orthodox-christianity 10% realism 5% liberal-theology 10% critical-realism +6
#144

On Religion: Speeches to Its Cultured Despisers (Early)

Friedrich Schleiermacher · 1799 (anonymous first ed.); 1806, 1821, 1831 (revised eds with explanations)
Five speeches addressed to the Romantic intellectual culture of Berlin · Nineteenth-century liberal Protestant theology / Romantic theology

Religion is neither metaphysics nor morality but the feeling and intuition of the infinite — a defence to Romantic intellectuals who had outgrown orthodox doctrine

40% liberal-theology 15% phenomenology 10% process-theology 5% transcendentalism 10% idealism 10% kantian-transcendental-idealism 5% existentialism 5% lutheranism +5
#145

The Cost of Discipleship (Early)

Dietrich Bonhoeffer · 1937
Theological treatise with extended exposition of Matthew 5–10 · Confessing Church / twentieth-century Lutheran discipleship theology

When Christ calls a man, he bids him come and die — and the distinction between cheap grace and costly grace

30% lutheranism 25% evangelical-protestantism 15% reformed-calvinist-theology 5% liberation-theology 10% christian-personalism 5% eastern-orthodox-christianity 5% catholic-thomistic 5% existentialism 8% neo-orthodoxy +6
#146

Pragmatism (Late)

William James · 1907 (from 1906 Lowell Lectures, Boston)
Eight popular philosophical lectures · American pragmatism / Jamesean popular philosophy

Truth happens to an idea — and pragmatism is the philosophical method of evaluating beliefs by their practical consequences

45% pragmatism 15% empiricism 10% naturalism 10% pragmatic-realism 5% phenomenology 5% liberal-theology 5% psychedelic-entheogenic 5% constructivism +5
#147

Political Liberalism (Late)

John Rawls · 1993 (revised 1996, with new introduction)
Political-philosophical treatise in three parts · Anglo-American liberal political philosophy

How a free society can be just under the permanent fact of reasonable disagreement about comprehensive doctrines — public reason, overlapping consensus, and the political conception of justice

30% constructivism 15% kantian-transcendental-idealism 15% pragmatic-realism 10% realism 10% liberal-theology 5% catholic-thomistic 5% liberation-theology 10% pragmatism +5
#148

Two Dogmas of Empiricism

Willard Van Orman Quine · 1951 (Philosophical Review)
Philosophical paper, six sections · Analytic philosophy / naturalized epistemology

Two dogmas of empiricism — the analytic/synthetic distinction and reductionism — are untenable; all our beliefs face the tribunal of experience as a corporate body

35% analytic-metaphysics 25% naturalism 15% pragmatism 10% empiricism 5% pragmatic-realism 5% logical-positivism 5% constructivism +4
#149

Economic and Philosophic Manuscripts of 1844 (Early)

Karl Marx · Paris, summer 1844 (notebook manuscripts; unfinished and unpublished in Marx's lifetime); first published 1932
Three philosophical-economic manuscripts in notebook form · Young Marx / philosophical-humanist Marxism

Alienated labour — workers estranged from their products, their activity, their species-being, and each other; the philosophical foundation of mature Marxism

35% dialectical-materialism 15% liberation-theology 15% existentialism 5% process-philosophy 10% christian-personalism 5% naturalism 10% constructivism 5% critical-realism 8% marxism +6
#150

Beyond Good and Evil (Late)

Friedrich Nietzsche · 1886
Aphoristic philosophical treatise in nine parts · Continental philosophy / mature Nietzsche

Will to power as the basic drive of life — and the philosophers' "free spirits" who have moved beyond the moral dichotomies their tradition imposed

20% nihilism 25% postmodernism 15% existentialism 10% naturalism 10% relativism 5% process-philosophy 5% transcendentalism 5% phenomenology 5% pragmatism +6
#151

The Birth of Tragedy (Early)

Friedrich Nietzsche · 1872 (with "Attempt at a Self-Criticism" preface added 1886)
Philosophical-philological treatise on Greek tragedy · Continental philosophy / philosophy of art

Apollonian individuation and Dionysian dissolution — and the death of tragedy at the hands of Socratic rationalism

15% existentialism 10% process-philosophy 10% transcendentalism 15% postmodernism 5% platonism-classical 5% naturalism 10% nihilism 10% psychedelic-entheogenic 10% spinozist-pantheism 10% idealism +7
#152

Cur Deus Homo (Late)

Anselm of Canterbury · 1094–1098 (Capua and Canterbury)
Two-book dialogue · Medieval Christian theology / Anselmian scholasticism

Sin is an infinite offence against God's honour requiring infinite satisfaction — which only the God-man can offer

30% catholic-thomistic 25% reformed-calvinist-theology 10% lutheranism 10% rationalism 10% evangelical-protestantism 5% eastern-orthodox-christianity 5% liberal-theology 5% realism +5
#153

The Ethics of Ambiguity (Early)

Simone de Beauvoir · 1947
Philosophical-ethical essay · French existentialism / existentialist ethics

The ambiguity of the human condition — radically free yet always situated, oriented to its own freedom yet realised only through commitment to the freedom of others

45% existentialism 15% phenomenology 15% constructivism 5% naturalism 10% liberation-theology 5% pragmatic-realism 5% christian-personalism 8% continental-philosophy +5
#154

The Subjection of Women (Late)

John Stuart Mill · Written 1860–61 with Harriet Taylor Mill's collaboration; published 1869
Philosophical-political essay in four chapters · British liberalism / classical feminist liberalism

The legal subordination of one sex to the other is wrong in itself, and one of the chief hindrances to human improvement

25% pragmatic-realism 15% liberation-theology 10% empiricism 10% realism 15% constructivism 10% liberal-theology 5% naturalism 10% pragmatism 8% classical-political-economy +6
#155

The Rebel (Late)

Albert Camus · 1951
Philosophical-political essay · French existentialism / absurdism

I rebel — therefore we exist. The metaphysical and historical analysis of rebellion as the proper response to absurdity, drawing the limits against totalitarian revolution

35% absurdism 15% existentialism 10% pragmatic-realism 10% liberation-theology 10% realism 5% naturalism 10% nihilism 5% transcendentalism +5
#156

The Question Concerning Technology (Late)

Martin Heidegger · 1953 (Munich lecture); 1954 (published)
Philosophical lecture · Late Heidegger / continental philosophy of technology

Modern technology's essence is "enframing" — a mode of revealing that reduces all that is to standing-reserve, including humanity itself

30% phenomenology 15% postmodernism 20% deep-ecology 5% process-philosophy 5% existentialism 5% relationalism 5% critical-realism 10% object-oriented-ontology 5% transhumanism-posthumanism 8% continental-philosophy +7
#157

Categories

Aristotle · c. 350 BC (early in the Aristotelian corpus, opening the Organon)
Treatise in fifteen chapters · Classical Greek philosophy / Aristotelian logic

Ten kinds of being — substance, quantity, quality, relation, place, time, position, possession, action, passion — the basic types under which everything that is falls

25% hylomorphism 20% realism 20% catholic-thomistic 10% kantian-transcendental-idealism 10% analytic-metaphysics 5% islamic-philosophy-falsafa 5% rationalism 5% platonism-classical +5
#158

The Theory of Moral Sentiments (Early-to-late (he revised it throughout his life))

Adam Smith · 1759 (1st edition); 1790 (6th and definitive edition with substantial additions)
Philosophical treatise in seven parts · Scottish Enlightenment / moral sentimentalism

How sympathy and the impartial spectator construct moral judgment — the moral-philosophical foundation underneath the economics of The Wealth of Nations

25% pragmatic-realism 20% empiricism 15% naturalism 10% liberal-theology 15% stoicism 5% realism 5% process-philosophy 5% deism 8% classical-political-economy +6
#159

Principia Mathematica (Early (both authors))

Alfred North Whitehead and Bertrand Russell · 1910 (vol. 1), 1912 (vol. 2), 1913 (vol. 3); 2nd edition 1925-27
Multi-volume formal-logical treatise · Analytic philosophy / philosophy of mathematics / mathematical logic

The logicist programme in its most ambitious form — three volumes deriving arithmetic, set theory, and analysis from a small set of logical primitives

30% analytic-metaphysics 25% logical-positivism 15% rationalism 10% realism 5% pythagoreanism 5% idealism 5% process-philosophy 5% naturalism 8% analytic-philosophy +6
#160

The Revival of the Religious Sciences (Late (post-crisis))

Abū Ḥāmid al-Ghazālī · c. 1097-1106 (composed during al-Ghazali's years of withdrawal after the 1095 spiritual crisis)
Forty-book systematic treatise on Islamic spiritual life · Sufi-Sunni Islam / Islamic theology and ethics

Forty books reviving Islamic worship and ethics from the inside out — orthodox law transfigured by Sufi inwardness

30% sufism-wahdat-al-wujud 20% islamic-philosophy-falsafa 5% catholic-thomistic 10% neo-platonism 5% liberal-theology 5% evangelical-protestantism 5% liberation-theology 10% stoicism 5% realism 5% pragmatic-realism +7
#161

Deliverance from Error (Late)

Abū Ḥāmid al-Ghazālī · c. 1108 (late in al-Ghazali's life, after returning to teaching)
Spiritual autobiography / philosophical confession · Sufi-Sunni Islam / Islamic philosophical theology

A short philosophical autobiography — doubt undermines kalam, philosophy, and Ismailism in turn, until Sufi experience grants the certainty doctrinal reasoning could not

30% sufism-wahdat-al-wujud 15% pyrrhonism 10% islamic-philosophy-falsafa 10% empiricism 10% rationalism 5% christian-existentialism 5% realism 5% phenomenology 5% process-philosophy 5% liberal-theology +7
#162

On Interpretation

Aristotle · c. 350 BC (early in the Organon)
Treatise in fourteen chapters · Classical Greek philosophy / Aristotelian logic

Names, verbs, propositions, opposition, and the famous sea-battle argument that haunted Western philosophy for two thousand years

25% analytic-metaphysics 15% realism 10% hylomorphism 15% catholic-thomistic 10% islamic-philosophy-falsafa 5% logical-positivism 5% rationalism 5% process-philosophy 5% pragmatic-realism 5% platonism-classical +7
#163

Gettysburg Address (Mature (Civil War))

Abraham Lincoln · November 19, 1863 (delivered 4½ months after the Battle of Gettysburg, July 1–3, 1863)
Public address — 272 words, ten sentences, c. 2 minutes · American political theology / republican civic religion

"Of the people, by the people, for the people" — the founding text of an American civic religion in which the Civil War becomes a re-founding of the nation on the ground of equality

25% pragmatic-realism 15% liberal-theology 10% evangelical-protestantism 10% realism 10% process-philosophy 10% liberation-theology 5% transcendentalism 5% christian-personalism 5% stoicism 5% deism +7
#164

Second Inaugural Address (Late (six weeks before assassination))

Abraham Lincoln · March 4, 1865 (six weeks before his assassination)
Inaugural address — 700 words, four paragraphs · American political theology / Christian republicanism

"With malice toward none, with charity for all" — Lincoln's most theologically searching speech: the war as divine judgment on both North and South for the offence of slavery

25% reformed-calvinist-theology 15% evangelical-protestantism 10% liberal-theology 10% liberation-theology 10% christian-personalism 10% realism 5% process-philosophy 5% pragmatic-realism 5% stoicism 5% deism +7
#165

Whose Justice? Which Rationality? (Mid-late (the second of the After Virtue trilogy))

Alasdair MacIntyre · 1988
Historical-philosophical book in twenty chapters · Contemporary virtue ethics / tradition-constituted rationality

There are no traditionless standards of rationality — only tradition-constituted enquiries. Four traditions of practical rationality, with the Aristotelian-Thomistic the most adequate

30% catholic-thomistic 15% hylomorphism 10% pragmatic-realism 10% realism 5% structuralism 5% process-philosophy 5% phenomenology 5% absurdism 5% eastern-orthodox-christianity 5% liberal-theology 5% liberation-theology +8
#166

Why I Am Not a Christian (Mid-late)

Bertrand Russell · 1927 (lecture); 1957 (collected essays as a book)
Lecture and collected essays · British analytic philosophy / freethought tradition

Russell's atheism in its most popular form — the classical arguments for God dismantled, traditional Christian morality criticised, the religion of free inquiry defended

15% logical-positivism 20% empiricism 15% naturalism 15% analytic-metaphysics 10% nihilism 5% absurdism 5% pragmatic-realism 5% transhumanism-posthumanism 5% pyrrhonism 5% liberal-theology 8% analytic-philosophy +8
#167

The Problem of Pain (Mid (post-conversion, pre-Narnia))

C. S. Lewis · 1940
Theological-philosophical essay in ten chapters · Anglican apologetic / philosophical theology

A theodicy in ten chapters — the goodness and omnipotence of God reconciled with suffering through human fallenness, the necessity of moral freedom, and divine love as deeper than divine kindness

20% evangelical-protestantism 15% catholic-thomistic 10% liberal-theology 10% christian-personalism 10% realism 10% eastern-orthodox-christianity 5% hylomorphism 5% stoicism 5% reformed-calvinist-theology 10% christian-existentialism 6% anglicanism +8
#168

Discourse on the Method (Mid (1637, in mature middle age; preceding the Meditations of 1641))

René Descartes · 1637 (published anonymously as the preface to three scientific essays — Optics, Meteorology, Geometry)
Philosophical autobiography / methodological treatise in six parts · Continental rationalism / early modern philosophy

"I think, therefore I am" — Descartes's first public statement of the cogito and of the method of doubt that founds modern philosophy

40% rationalism 15% analytic-metaphysics 10% pyrrhonism 15% dualism 5% naturalism 5% catholic-thomistic 5% empiricism 5% realism 8% cartesianism +6
#169

Theodicy (Late)

Gottfried Wilhelm Leibniz · 1710 (the only philosophical book Leibniz published in his lifetime)
Philosophical treatise in three parts, with three preliminary discourses · Continental rationalism / Enlightenment philosophical theology

This is the best of all possible worlds — Leibniz's rationalist theodicy, written for Princess Sophie Charlotte, that gave the genre its name

30% rationalism 10% catholic-thomistic 10% lutheranism 5% reformed-calvinist-theology 10% liberal-theology 5% deism 10% process-theology 10% analytic-metaphysics 5% idealism 5% realism +7
#170

Logical Investigations (Early (the breakthrough work that founds phenomenology))

Edmund Husserl · 1900 (vol. 1, Prolegomena to Pure Logic); 1901 (vol. 2, six investigations); revised editions 1913, 1921
Two-volume systematic treatise · German phenomenology

The Prolegomena destroys psychologism in logic; the six Investigations begin to lay out the descriptive phenomenology of meaning, perception, and intentional consciousness

40% phenomenology 15% analytic-metaphysics 10% rationalism 10% realism 5% structuralism 10% logical-positivism 5% kantian-transcendental-idealism 5% existentialism +5
#171

Ideas Pertaining to a Pure Phenomenology (Mid (the transcendental turn))

Edmund Husserl · 1913
Systematic philosophical treatise in four parts · German phenomenology / transcendental phenomenology

The phenomenological reduction (epoché) and the constitution of the world by transcendental consciousness — Husserl's explicit turn to transcendental idealism

35% phenomenology 25% kantian-transcendental-idealism 10% rationalism 10% idealism 5% process-philosophy 5% existentialism 5% realism 5% analytic-metaphysics +5
#172

The Gay Science (Middle (between Daybreak and Zarathustra))

Friedrich Nietzsche · 1882 (first edition, four books); 1887 (second edition, with added fifth book and preface)
Aphoristic philosophical book, with verse appendices, in five books · Continental philosophy / existentialism / Nietzschean genealogy

The "death of God" announced; eternal recurrence first formulated; the experimental "gay science" between Daybreak and Zarathustra

25% existentialism 20% nihilism 15% postmodernism 10% absurdism 10% naturalism 5% process-philosophy 5% pragmatic-realism 5% psychedelic-entheogenic 5% phenomenology +6
#173

The Concept of Anxiety (Mid (the productive year of 1844 — Concept of Anxiety, Philosophical Fragments, etc.))

Søren Kierkegaard · 1844 (published under the pseudonym Vigilius Haufniensis)
Pseudonymous theological-psychological treatise in five chapters · Danish religious existentialism

Anxiety as "the dizziness of freedom" — the existential-theological analysis of the human condition between possibility and actuality

35% christian-existentialism 25% existentialism 10% phenomenology 5% reformed-calvinist-theology 10% lutheranism 5% liberal-theology 5% evangelical-protestantism 5% christian-personalism +5
#174

A Treatise Concerning Religious Affections (Mid (Northampton pastorate; the major work of evangelical reflection))

Jonathan Edwards · 1746
Theological treatise in three parts · American Reformed-Calvinist evangelical theology

True religion consists chiefly in holy affections — Edwards's twelve signs distinguishing genuine spiritual experience from its counterfeits

35% reformed-calvinist-theology 25% evangelical-protestantism 5% liberal-theology 10% empiricism 5% christian-existentialism 5% phenomenology 5% realism 5% platonism-classical 5% stoicism +6
#175

The History of Sexuality (Late (his last major project))

Michel Foucault · 1976 (vol. 1); 1984 (vols. 2-3, shortly before Foucault's death); vol. 4 (Confessions of the Flesh) published posthumously 2018
Multi-volume historical-philosophical study · French postmodernism / Foucauldian genealogy

The "repressive hypothesis" inverted: sexuality is not what power represses but what power produces — and the genealogy of the modern sexual subject through Greek, Roman, and early Christian practices of the self

30% postmodernism 10% structuralism 10% pragmatic-realism 10% constructivism 5% dialectical-materialism 5% process-philosophy 5% phenomenology 5% existentialism 5% analytic-metaphysics 5% liberation-theology 10% stoicism 8% continental-philosophy 8% post-structuralism +10
#176

Divine Comedy: Inferno (Late (Dante's exile years))

Dante Alighieri · c. 1308-1320 (composed during Dante's exile from Florence; completed shortly before his death in 1321)
Epic poem in 34 canti of terza rima · Medieval Italian Christian literature / Scholastic theological allegory

"In the middle of the journey of our life" — Dante's descent through nine circles of Hell, guided by Virgil, in the first canticle of the Divine Comedy

35% catholic-thomistic 10% platonism-classical 5% neo-platonism 10% hylomorphism 5% eastern-orthodox-christianity 5% evangelical-protestantism 5% liberation-theology 5% realism 5% christian-personalism 5% pythagoreanism 5% stoicism 5% islamic-philosophy-falsafa +9
#177

A Plain Account of Christian Perfection (Late)

John Wesley · 1766 (with revisions through 1777; published as a unified text in 1777)
Theological autobiography / doctrinal synthesis · English Methodist / Wesleyan-Arminian evangelical

Wesley's defining doctrine — the Christian's call to entire sanctification or "perfect love" in this present life

25% evangelical-protestantism 10% liberal-theology 10% reformed-calvinist-theology 5% lutheranism 10% catholic-thomistic 10% eastern-orthodox-christianity 5% christian-existentialism 5% empiricism 5% liberation-theology 5% realism 5% pragmatic-realism 5% sufism-wahdat-al-wujud 8% methodism 6% arminianism +11
#178

I and Thou (Mid (the foundational statement of dialogical philosophy))

Martin Buber · 1923
Philosophical-theological essay in three parts · Jewish religious philosophy / dialogical philosophy

The two basic word-pairs — I-Thou and I-It — and the eternal Thou that meets us through every finite Thou

25% jewish-philosophy-maimonidean 15% christian-personalism 15% phenomenology 10% christian-existentialism 10% existentialism 5% sufism-wahdat-al-wujud 5% liberal-theology 5% process-philosophy 5% realism 5% eastern-orthodox-christianity +7
#179

Eichmann in Jerusalem: A Report on the Banality of Evil (Mid-late (after The Human Condition, before The Life of the Mind))

Hannah Arendt · 1963 (New Yorker articles 1962-63, then book)
Long-form journalism / philosophical reportage in fifteen chapters · Twentieth-century political philosophy / Jewish thought

The "banality of evil" — Eichmann not as a monster but as a bureaucratically thoughtless functionary, raising the most disturbing question of twentieth-century ethics

20% pragmatic-realism 10% realism 10% jewish-philosophy-maimonidean 10% phenomenology 5% liberation-theology 10% existentialism 5% naturalism 5% liberal-theology 10% analytic-metaphysics 5% pragmatism 5% absurdism 5% postmodernism +9
#180

Walden (Mid (Thoreau's major prose statement))

Henry David Thoreau · 1854 (drawing on Thoreau's 1845-47 residence at Walden Pond)
Philosophical-naturalistic narrative in eighteen chapters · American transcendentalism / nature writing

"I went to the woods because I wished to live deliberately" — Thoreau's two-year experiment in simple living and his philosophical-naturalistic reflection on its meaning

35% transcendentalism 15% deep-ecology 10% stoicism 10% naturalism 10% taoism 5% pragmatic-realism 5% buddhism 5% advaita-vedanta 5% animism-relational-indigenous +6