King James Version (KJV)
Speak not in the ears of a fool: for he will despise the wisdom of thy words.
Modern English
Do not speak in the hearing of a fool, for he will despise the good sense of your words.
Hebrew
בְּאָזְנֵ֣י כְ֭סִיל אַל תְּדַבֵּ֑ר כִּ֝י יָב֗וּז לְשֵׂ֣כֶל מִלֶּֽיךָ׃
bʾazney ksiyl ʾal tdaber kiy yabvz lshekel mileyka