Proverbs 14:18 Kabbalah

נָחֲל֣וּ פְתָאיִ֣ם אִוֶּ֑לֶת וַֽ֝עֲרוּמִ֗ים יַכְתִּ֥רוּ דָֽעַת׃

The thoughtless come into possession of folly; But the prudent are crowned with knowledge.

Read kabbalistic (mystical) interpretation of Proverbs 14:18: and classical mystical sources.