Matthew 5:33

Again, ye have heard, that it was said to the ancients, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths:

Hebrews 10:6

in whole burnt-offerings and sacrifices for sin thou hadst no pleasure:

Treasury of Scripture Knowledge

Summary

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.

Vowest

Bible References

Vowest

Matthew 5:33
Again, ye have heard, that it was said to the ancients, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths:

For

Hebrews 10:6
in whole burnt-offerings and sacrifices for sin thou hadst no pleasure: