Proverbs 6:32

“lacketh understanding--or, "heart"; destitute of moral principle and prudence.”

“6:32-35 A thief might be punished severely even if he had a reason for his actions, but his punishment is nothing compared to an adulterer’s, who has no excuse for his crime. A jealous husband will seek the full punishment provided by law, which is death (Deut 22:22).”

“lacketh: Pro 7:7; Gen 39:9, Gen 39:10, Gen 41:39; Ecc 7:25, Ecc 7:26; Jer 5:8, Jer 5:21; Rom 1:22-24 understanding: Heb. heart, Hos 4:11, Hos 4:12 destroyeth: Pro 2:18, Pro 2:19, Pro 5:22, Pro 5:23, Pro 7:22, Pro 7:23, Pro 8:36, Pro 9:16-18; Eze 18:31; Hos 13:9; Heb 13:4 Proverbs 6:33”

“Here there is a contrast stated to Pro 6:30 : 32 He who commits adultery (adulterans mulierem) is beside himself, A self-destroyer-who does this. 33 He gains stripes and disgrace, And his reproach is never quenched. נאף, which primarily seems to mean excedere, to indulge in excess, is, as also in the Decalogue, cf. Lev 20:10, transitive: ὁ μοιχεύων γυναῖκα. Regarding being mad (herzlos = heartless) = amens (excors, vecors), vid., Psychologie, p. 254. משׁחית נפשׁו is he who goes to ruin with wilful perversity. A self-murderer - i.e., he intends to ruin his position and his prosperity in life - who does it, viz., this, that he touches the wife of another. It is the worst and most…”