Proverbs 16:22 Midrash

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 midrashic interpretation of Proverbs 16:22: and classical rabbinic exegesis.