תַּאֲוָ֣ה נִ֭הְיָה תֶּעֱרַ֣ב לְנָ֑פֶשׁ וְתוֹעֲבַ֥ת כְּ֝סִילִ֗ים ס֣וּר מֵרָֽע׃
The desire accomplished is sweet to the soul; And it is an abomination to fools to depart from evil.
Read kabbalistic (mystical) interpretation of Proverbs 13:19: and classical mystical sources.