Ecclesiastes 5:4

4 When you make a vow to God, do not delay to fulfill it. He has no pleasure in fools; fulfill your vow.

Read Ecclesiastes 5:4 Using Other Translations

When thou vowest a vow unto God, defer not to pay it; for he hath no pleasure in fools: pay that which thou hast vowed.
When you vow a vow to God, do not delay paying it, for he has no pleasure in fools. Pay what you vow.
When you make a promise to God, don’t delay in following through, for God takes no pleasure in fools. Keep all the promises you make to him.