Bible Verses About Vows: To be performed without delay

`When thou vowest a vow to Jehovah thy God, thou dost not delay to complete it; for Jehovah thy God doth certainly require it from thee, and it hath been in thee--sin.

The produce of thy lips thou dost keep, and hast done it , as thou hast vowed to Jehovah thy God; a free-will-offering, which thou hast spoken with thy mouth.