Proverbs 24:9 Kabbalah

זִמַּ֣ת אִוֶּ֣לֶת חַטָּ֑את וְתוֹעֲבַ֖ת לְאָדָ֣ם לֵֽץ׃

The thought of foolishness is sin; And the scorner is an abomination to men.

Read kabbalistic (mystical) interpretation of Proverbs 24:9: and classical mystical sources.