Solomon
Proverbs 20:25ESV·traditional attribution

It is a snare to say rashly, “It is holy,” and to reflect only after making vows.

Matthew Henry Presbyterian

Two things, by which God is greatly affronted, men are here said to be ensnared by, and entangled not only in guilt, but in trouble and ruin at length: - 1. Sacrilege, men's alienating holy things and converting them to their own use, which is here called devouring them.

John Gill Reformed Baptist

It is a snare to the man who devoureth that which is holy,.... Which is separated to sacred uses, is devoted to the Lord, as firstfruits, tithes, offerings, &c. which if a man converts to his own use is sacrilege, and this is a sin and a snare, and brings ruin on him; see Mal 3:8; and after vows to make inquiry: that is a...

Jamieson-Fausset-Brown Reformed

devoureth . . . holy--or, better, "who rashly speaks promises," or "devotes what is holy," consecrating any thing. This suits better the last clause, which expresses a similar view of the results of rashly vowing.