When] Or, Assoon as.
When thou vowest a vow unto God, defer not to pay it] Deuteronomy 23:21.
for he hath no pleasure in fools] Such as vow rashly, are accounted fools with God.
pay that which thou hast vowed] Psal. 16. 13, 14. and 76. 11. He speaketh of things vowed sutable to Gods word, and serving to his glory.