Solomon
Proverbs 11:25ESV·traditional attribution

Whoever brings blessing will be enriched, and one who waters will himself be watered.

Matthew Henry Presbyterian @wholebiblehenry

So backward we are to works of charity, and so ready to think that giving undoes us, that we need to have it very much pressed upon us how much it is for our own advantage to do good to others, as before, Pro 11:17. 1.

John Gill Reformed Baptist @doctorgill

The liberal soul shall be made fat,.... Or, "the soul of blessing" (c): that is, as the Vulgate Latin version renders it, "the soul which blesseth"; not that merely prays for a blessing upon others, and wishes them well, and gives them good words; but bestows blessings on them, gives good things unto them liberally, cheerfully, and plentifully; and so is a blessing to the...

Jamieson-Fausset-Brown Reformed @jfbcommentary

liberal soul--(Compare Margin). made fat--prospers (Pro 28:25; Deu 32:15; Luk 6:38). watereth . . . watered--a common figure for blessing.