5 Better that thou do not vow, than that thou dost vow and dost not complete.
Ecclesiastes 5:5 Cross References - YLT
Deuteronomy 23:22
22 `And when thou forbearest to vow, it is not in thee a sin.
Proverbs 20:25
Acts 5:4
4 while it remained, did it not remain thine? and having been sold, in thy authority was it not? why is it that thou didst put in thy heart this thing? thou didst not lie to men, but to God;'