Solomon
Proverbs 13:18ESV·traditional attribution

Poverty and disgrace come to him who ignores instruction, but whoever heeds reproof is honored.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. He that is so proud that he scorns to be taught will certainly be abased. he that refuses the good instruction offered him, as if it were a reflection upon his honour and an abridgment of his liberty, poverty and shame shall be to him: he will become a beggar and live and die in disgrace; every one will despise him as foolish, and stubborn, and ungovernable. 2.

John Gill Reformed Baptist @doctorgill

Poverty and shame shall be to him that refuseth instruction,.... Of parents, masters, and ministers of the word; the instruction of wisdom, the instruction of the Gospel, in things relating to their present spiritual peace, and to their eternal welfare: such generally come to poverty and disgrace in this life, and to everlasting shame and contempt in another; see Pro 5:11; but he that regardeth...

Keil & Delitzsch Lutheran @keilanddelitzsch

Pro 13:18 18 Poverty and shame (to him) who rejecteth correction; But he who regardeth reproof is honoured. We are neither to supply אישׁ before רישׁ קלונו (or more correctly, abstr. pro concr., as רמיּה, Pro 1:27), nor ל before פורע, as Gesenius (Lehrgeb. §227a) does; nor has the part.