King James Version (KJV)
Folly is joy to him that is destitute of wisdom: but a man of understanding walketh uprightly.
Modern English
Folly is a joy to him who lacks sense, but a man of understanding walks straight ahead.
Hebrew
אִ֭וֶּלֶת שִׂמְחָ֣ה לַחֲסַר לֵ֑ב וְאִ֥ישׁ תְּ֝בוּנָ֗ה יְיַשֶּׁר לָֽכֶת׃
ʾivelet shimḥah laḥasar leb vʾiysh tbvnah yyasher laket