Heareth - 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.”
Related Commentaries of Proverbs 13:1
Proverbs 13:1
1 A wise son heareth his father's instruction: but a scorner heareth not rebuke.