Solomon
Proverbs 28:19ESV·traditional attribution

Whoever works his land will have plenty of bread, but he who follows worthless pursuits will have plenty of poverty.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. Those that are diligent in their callings take the way to live comfortably: He that tills his land, and tends his shop, and minds his business, whatever it is, he shall have plenty of bread, of that which is necessary for himself and his family and with which he may be charitable to the poor; he shall eat the labour of his hands. 2.

John Gill Reformed Baptist @doctorgill

He that tilleth his land shall have plenty of bread,.... Or, "shall he filled" or "satisfied with bread" (s): shall have bread enough, and to spare; provisions of all sorts, and in great plenty; See Gill on Pro 12:11; but he that followeth, after vain persons; empty idle persons; keeps company and spends his time with them, when he should be about the business of...

Jamieson-Fausset-Brown Reformed @jfbcommentary

(Compare Pro 10:4; Pro 20:4). vain persons--idle, useless drones, implying that they are also wicked (Pro 12:11; Psa 26:4).