אָדָ֣ם עָ֭רוּם כֹּ֣סֶה דָּ֑עַת וְלֵ֥ב כְּ֝סִילִ֗ים יִקְרָ֥א אִוֶּֽלֶת׃
슬기로운 자는 지식을 감추어 두어도 미련한 자의 마음은 미련한 것을 전파하느니라
Rashi
A cunning man conceals knowledge Even in his wisdom, he is discreet—he surely conceals words of foolishness; but the heart of the fool announces foolishness aloud.