חוֹשֵׂ֣ךְ אֲ֭מָרָיו יוֹדֵ֣עַ דָּ֑עַת וקר־[יְקַר־] ר֝֗וּחַ אִ֣ישׁ תְּבוּנָֽה׃
Kto w słowach swych powściągliwy, zna rozum, a kto zimną krew zachowuje jest człowiekiem roztropnym.
Rashi
keeps back his words He who has knowledge does not talk excessively.
Rashi
he whose breath is dear (Whose words are dear; Salonica ed.) He who keeps back his words is a man of understanding.