What rule hath God given for our direction in the duty of prayer?
The whole word of God is of use to direct us in the duty of prayer;1 but the special rule of direction is that form of prayer which our Savior Christ taught his disciples, commonly called The Lord's prayer.2
Scripture proofs
The Westminster Assembly's proof texts (KJV). The bracketed numbers in the answer above mark the clause each set of references supports; expand a row to read the verses.
1 1 John 5:14
And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:
2 Matt. 6:2–13; Luke 11:2–4
Matt. 6:2 Therefore when thou doest thine alms, do not sound a trumpet before thee, as the hypocrites do in the synagogues and in the streets, that they may have glory of men. Verily I say unto you, They have their reward.
Matt. 6:3 But when thou doest alms, let not thy left hand know what thy right hand doeth:
Matt. 6:4 That thine alms may be in secret: and thy Father which seeth in secret himself shall reward thee openly.
Matt. 6:5 And when thou prayest, thou shalt not be as the hypocrites are: for they love to pray standing in the synagogues and in the corners of the streets, that they may be seen of men. Verily I say unto you, They have their reward.
Matt. 6:6 But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.
Matt. 6:7 But when ye pray, use not vain repetitions, as the heathen do: for they think that they shall be heard for their much speaking.
Matt. 6:8 Be not ye therefore like unto them: for your Father knoweth what things ye have need of, before ye ask him.
Matt. 6:9 After this manner therefore pray ye: Our Father which art in heaven, Hallowed be thy name.
Matt. 6:10 Thy kingdom come. Thy will be done in earth, as it is in heaven.
Matt. 6:11 Give us this day our daily bread.
Matt. 6:12 And forgive us our debts, as we forgive our debtors.
Matt. 6:13 And lead us not into temptation, but deliver us from evil: For thine is the kingdom, and the power, and the glory, for ever. Amen.
Luke 11:2 And he said unto them, When ye pray, say, Our Father which art in heaven, Hallowed be thy name. Thy kingdom come. Thy will be done, as in heaven, so in earth.
Luke 11:3 Give us day by day our daily bread.
Luke 11:4 And forgive us our sins; for we also forgive every one that is indebted to us. And lead us not into temptation; but deliver us from evil.
This doctrine across the Standards
Where the Confession and the Westminster Shorter Catechism treat the same matter, so the question can be studied alongside its parallel statements.
In the Westminster Confession
XXI.3 Prayer with thanksgiving, being one special part of religious worship, is by God required of all men; and …
Prayer with thanksgiving, being one special part of religious worship, is by God required of all men; and that it may be accepted, it is to be made in the name of the Son, by the help of his Spirit, according to his will, with understanding, reverence, humility, fervency, faith, love, and perseverance; and, if vocal, in a known tongue.
→ XXI.3 · Of Religious Worship and the Sabbath DayXXI.4 Prayer is to be made for things lawful, and for all sorts of men living, or that shall …
Prayer is to be made for things lawful, and for all sorts of men living, or that shall live hereafter; but not for the dead, nor for those of whom it may be known that they have sinned the sin unto death.
→ XXI.4 · Of Religious Worship and the Sabbath DayIn the Westminster Shorter Catechism
Q.98 What is prayer?
Prayer is an offering up of our desires unto God, for things agreeable to his will, in the name of Christ, with confession of our sins, and thankful acknowledgement of his mercies.
→ Open Q.98Q.99 What rule hath God given for our direction in prayer?
The whole Word of God is of use to direct us in prayer; but the special rule of direction is that form of prayer which Christ taught his disciples, commonly called The Lord's Prayer.
→ Open Q.99Q.100 What doth the preface of the Lord's Prayer teach us?
The preface of the Lord's Prayer, which is, Our Father which art in heaven, teacheth us to draw near to God with all holy reverence and confidence, as children to a father, able and ready to help us; and that we should pray with and for others.
→ Open Q.100Q.101 What do we pray for in the first petition?
In the first petition, which is, Hallowed be thy name, we pray, that God would enable us, and others, to glorify him in all that whereby he maketh himself known; and that he would dispose all things to his own glory.
→ Open Q.101Q.102 What do we pray for in the second petition?
In the second petition, which is, Thy kingdom come, we pray, that Satan's kingdom may be destroyed; and that the kingdom of grace may be advanced, ourselves and others brought into it, and kept in it; and that the kingdom of glory may be hastened.
→ Open Q.102Q.103 What do we pray for in the third petition?
In the third petition, which is, Thy will be done in earth, as it is in heaven, we pray, that God, by his grace, would make us able and willing to know, obey, and submit to his will in all things, as the angels do in heaven.
→ Open Q.103Q.104 What do we pray for in the fourth petition?
In the fourth petition, which is, Give us this day our daily bread, we pray that of God's free gift we may receive a competent portion of the good things of this life, and enjoy his blessing with them.
→ Open Q.104Q.105 What do we pray for in the fifth petition?
In the fifth petition, which is, And forgive us our debts, as we forgive our debtors, we pray that God, for Christ's sake, would freely pardon all our sins; which we are the rather encouraged to ask, because by his grace we are enabled from the heart to forgive others.
→ Open Q.105Q.106 What do we pray for in the sixth petition?
In the sixth petition, which is, And lead us not into temptation, but deliver us from evil, we pray, that God would either keep us from being tempted to sin, or support and deliver us when we are tempted.
→ Open Q.106Q.107 What doth the conclusion of the Lord's Prayer teach us?
The conclusion of the Lord's Prayer, which is, For thine is the kingdom, and the power, and the glory, for ever, Amen. teacheth us to take our encouragement in prayer from God only, and in our prayers to praise him, ascribing kingdom, power, and glory to him; and, in testimony of our desire, and assurance to be heard, we say, Amen.
→ Open Q.107