Solomon
Proverbs 31:18ESV·traditional attribution

She perceives that her merchandise is profitable. Her lamp does not go out at night.

Matthew Henry Presbyterian @wholebiblehenry

This description of the virtuous woman is designed to show what wives the women should make and what wives the men should choose; it consists of twenty-two verses, each beginning with a letter of the Hebrew alphabet in order, as some of the Psalms, which makes some think it was no part of the lesson which Lemuel's mother taught him, but a poem by itself...

Commenting on Proverbs 31:10-31

John Gill Reformed Baptist @doctorgill

She perceiveth that her merchandise is good,.... That it turns to good account; that her trading to heaven is of great advantage; that she grows rich hereby; that her merchandise with Wisdom, or Christ, is better than the merchandise of silver, and the gain thereby than fine gold; and though her voyages are attended with trouble and danger, yet are profitable, and therefore she is...

Keil & Delitzsch Lutheran @keilanddelitzsch

Pro 31:18 18 ט She perceiveth that her gain is good; And her light goeth not out at night. The perf. and fut. are related to each other as antecedent and consequent, so that 18a can also be rendered as an hypothetical antecedent.