Solomon
Ecclesiastes 5:5ESV·traditional attribution

It is better that you should not vow than that you should vow and not pay.

Matthew Henry Presbyterian @wholebiblehenry

Four things we are exhorted to in these verses: - I. To be conscientious in paying our vows. 1. A vow is a bond upon the soul (Num 30:2), by which we solemnly oblige ourselves, not only, in general, to do that which we are already bound to do, but, in some particular instances, to do that to do which we were not under any...

Commenting on Ecclesiastes 5:4-8

John Gill Reformed Baptist @doctorgill

Better is it that thou shouldest not vow,.... For a vow is an arbitrary thing; a man is not bound to make it, and while he vows not, it is in his own power, and at his option, whether he will do this or that, or not; but when he has once vowed, he is then brought under an obligation, and must perform; see Act...

Keil & Delitzsch Lutheran @keilanddelitzsch

Ecc 5:4-7 “When thou hast made a vow to God, delay not to fulfil it; for there is no pleasure in fools: that which thou hast vowed fulfil. Better that thou vowest not, than that thou vowest and fulfillest not.

Commenting on Ecclesiastes 5:4-7