Albert Barnes Commentary Proverbs 13:1

"A wise son [heareth] his father`s instruction; But a scoffer heareth not rebuke." — Proverbs 13:1 (ASV)

Hears - The verb of the second clause is inserted in the first, just as in the next verse that of the first is inserted in the second. Stress is laid upon the obstinacy of the scorner who refuses to hear, not only “instruction,” but also the much stronger “rebuke.”