New Revised Standard Version
When you make a vow to God, do not delay fulfilling it; for he has no pleasure in fools. Fulfill what you vow.

Contemporary English Version
God doesn't like fools. So don't be slow to keep your promises to God.

New American Bible
When you make a vow to God, delay not its fulfillment. For God has no pleasure in fools; fulfill what you have vowed.

Douay-Rheims Bible
If thou hast vowed any thing to God, defer not to pay it: for an unfaithful and foolish promise displeaseth him: but whatsoever thou hast vowed, pay it.

If thou hast vowed any thing to God, defer not to pay it: for an unfaithful and foolish promise displeaseth him: but whatsoever thou hast vowed, pay it.

vowest

Genesis 28:20 And he made a vow, saying: If God shall be with me, and shall keep me in the way, by which I walk, and shall give me bread to eat, and raiment to put on,

Genesis 35:1,3 In the mean time God said to Jacob: Arise and go up to Bethel, and dwell there, and make there an altar to God, who appeared to thee when thou didst flee from Esau, thy brother. . . .

Numbers 30:2 If any man make a vow to the Lord, or bind himself by an oath: he shall not make his word void but shall fulfil all that he promised.

Deuteronomy 23:21-23 When thou hast made a vow to the Lord thy God, thou shalt not delay to pay it: because the Lord thy God will require it. And if thou delay, it shall be imputed to thee for a sin. . . .

Psalm 50:14 Offer to God the sacrifice of praise: and pay thy vows to the most High.

Psalm 76:11 Vow ye, and pay to the Lord your God: all you that are round about him bring presents. To him that is terrible,

Psalm 119:106 I have sworn and am determined to keep the judgments of thy justice.

Isaiah 19:21 And the Lord shall be known by Egypt, and the Egyptians shall know the Lord in that day, and shall worship him with sacrifices and offerings: and they shall make vows to the Lord, and perform them.

Matthew 5:33 Again you have heard that it was said to them of old, thou shalt not forswear thyself: but thou shalt perform thy oaths to the Lord.

for

Psalm 147:10,11 He shall not delight in the strength of the horse: nor take pleasure in the legs of a man. . . .

Malachi 1:10 Who is there among you, that will shut the doors, and will kindle the fire on my altar gratis? I have no pleasure in you, saith the Lord of hosts: and I will not receive a gift of your hand.

Hebrews 10:6 Holocausts for sin did not please thee.

pay

Psalm 66:13,14 I will go into thy house with burnt offerings: I will pay thee my vows, . . .

Psalm 116:14,16-18 I will pay my vows to the Lord before all his people: . . .

Jonah 2:9 They that in vain observe vanities, forsake their own mercy.