חָכָ֣ם יָ֭רֵא וְסָ֣ר מֵרָ֑ע וּ֝כְסִ֗יל מִתְעַבֵּ֥ר וּבוֹטֵֽחַ׃
Mądry obawia się a stroni od złego, głupi jednak unosi się i czuje się bezpiecznym.
Rashi
but a fool passes vigorously He strengthens himself to pass vigorously.
Rashi
and slips Heb. ובוטח, and slips and falls to the ground, as in (Jer. 12:5): “and in the peaceful you slip (בוטח),” and Jonathan renders: את מתבטח ונפיל, meaning “you slip and fall.” Others explain this as confidence. In his palace, he is confident, saying, “The evil will not befall me.”