Proverbs 14:3 Midrash

בְּֽפִי־אֱ֭וִיל חֹ֣טֶר גַּאֲוָ֑ה וְשִׂפְתֵ֥י חֲ֝כָמִ֗ים תִּשְׁמוּרֵֽם׃

In the mouth of the foolish is a rod of pride; But the lips of the wise shall preserve them. .

Read midrashic interpretation of Proverbs 14:3: and classical rabbinic exegesis.