Psalms 101:4 Midrash

לֵבָ֣ב עִ֭קֵּשׁ יָס֣וּר מִמֶּ֑נִּי רָ֝֗ע לֹ֣א אֵדָֽע׃

A perverse heart shall depart from me; I will know no evil thing.

Read midrashic interpretation of Psalms 101:4: and classical rabbinic exegesis.