King James Version (KJV)
Day unto day uttereth speech, and night unto night sheweth knowledge.
Modern English
Day to day pours out speech, and night to night reveals knowledge.
Hebrew
י֣וֹם לְ֭יוֹם יַבִּ֣יעַ אֹ֑מֶר וְלַ֥יְלָה לְּ֝לַ֗יְלָה יְחַוֶּה דָּֽעַת׃
yvom lyvom yabiyʿa ʾomer vlaylah llaylah yḥaveh daʿat