Proverbs 6:12 Midrash

אָדָ֣ם בְּ֭לִיַּעַל אִ֣ישׁ אָ֑וֶן ה֝וֹלֵ֗ךְ עִקְּשׁ֥וּת פֶּֽה׃

A base person, a man of iniquity, Is he that walketh with a froward mouth; .

Read midrashic interpretation of Proverbs 6:12: and classical rabbinic exegesis.