Proverbs 16:22 Kabbalah

מְק֣וֹר חַ֭יִּים שֵׂ֣כֶל בְּעָלָ֑יו וּמוּסַ֖ר אֱוִלִ֣ים אִוֶּֽלֶת׃

Understanding is a fountain of life unto him that hath it; But folly is the chastisement of fools.

Read kabbalistic (mystical) interpretation of Proverbs 16:22: and classical mystical sources.