"Thy will be done on earth as it is in heaven"

The Heidelberg Catechism

49. Lord's Day

Q. 124. Which is the third petition?

Answer:
"Thy will be done on earth as it is in heaven"; that is, grant that we and all men may renounce our own will, (a) and without murmuring obey thy will, which is only good; (b) that every one may attend to, and perform the duties of his station and calling, (c) as willingly and faithfully as the angels do in heaven. (d)

(a)
Matt.16:24 Then said Jesus unto his disciples, If any man will come after me, let him deny himself, and take up his cross, and follow me.
Tit.2:11 For the grace of God that bringeth salvation hath appeared to all men,
Tit.2:12 Teaching us that, denying ungodliness and worldly lusts, we should live soberly, righteously, and godly, in this present world;
(b)
Luke 22:42 Saying, Father, if thou be willing, remove this cup from me: nevertheless not my will, but thine, be done.
Eph.5:10 Proving what is acceptable unto the Lord.
Rom.12:2 And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.
(c)
1 Cor.7:24 Brethren, let every man, wherein he is called, therein abide with God.
(d)
Ps.103:20 Bless the LORD, ye his angels, that excel in strength, that do his commandments, hearkening unto the voice of his word.
Ps.103:21 Bless ye the LORD, all ye his hosts; ye ministers of his, that do his pleasure.

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Westminster Shorter Catechism 

Question 103

Q: What do we pray for in the third petition? 

Answer:

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,1 as the angels do in heaven.2

Psalm 119:34-36. Give me understanding, and I shall keep thy law; yea, I shall observe it with my whole heart. Make me to go in the path of thy commandments; for therein do I delight. Incline my heart unto thy testimonies, and not to covetousness.
Acts 21:14. And when he would not be persuaded, we ceased, saying, The will of the Lord be done.
Matthew 26:39. And he went a little further, and fell on his face, and prayed, saying, O my Father, if it be possible, let this cup pass from me: nevertheless not as I will, but as thou wilt.
2 Samuel 15:25. And the king said unto Zadok, Carry back the ark of God into the city: if I shall find favour in the eyes of the Lord, he will bring me again, and shew me both it, and his habitation.
Job 1:21. And said, Naked came I out of my mother's womb, and naked shall I return thither: the Lord gave, and the Lord hath taken away; blessed be the name of the Lord.
Psalm 103:20-22. Bless the Lord, ye his angels, that excel in strength, that do his commandments, hearkening unto the voice of his word. Bless ye the Lord, all ye his hosts; ye ministers of his, that do his pleasure. Bless the Lord, all his works in all places of his dominion: bless the Lord, O my soul.