King James Version (KJV)
A fool uttereth all his mind: but a wise man keepeth it in till afterwards.
Modern English
A fool gives full vent to his spirit, but a wise man quietly holds it back.
Hebrew
כָּל ר֭וּחוֹ יוֹצִ֣יא כְסִ֑יל וְ֝חָכָ֗ם בְּאָח֥וֹר יְשַׁבְּחֶֽנָּה׃
kal rvḥvo yvoṣiyʾ ksiyl vḥakam bʾaḥvor yshabḥenah
כָּלkolevery / all