Solomon
Proverbs 12:26ESV·traditional attribution

One who is righteous is a guide to his neighbor, but the way of the wicked leads them astray.

Matthew Henry Presbyterian @wholebiblehenry

See here, 1. That good men do well for themselves; for they have in themselves an excellent character, and they secure to themselves an excellent portion, and in both they excel other people: The righteous is more abundant than his neighbour (so the margin); he is richer, though not in this world's goods, yet in the graces and comforts of the Spirit, which are the true riches.

John Gill Reformed Baptist @doctorgill

The righteous is more excellent than his neighbour,.... Not than his neighbour who is righteous also; for though one may have more excellent gifts than another, or a larger measure of grace; one righteous man may have more faith than another, yet not more righteousness; every truly righteous man is justified by the same righteousness, even the righteousness of Christ; and therefore one cannot be...

Jamieson-Fausset-Brown Reformed @jfbcommentary

more excellent--(Compare Margin); or, "more successful," while the wicked fail; or, we may read it: "The righteous guides his friend, but," &c., that is, The ability of the righteous to aid others is contrasted with the ruin to which the way of the wicked leads themselves.