NET
28 Even a fool who remains silent is considered wise, and the one who holds his tongue is deemed discerning.
Darby
28 Even a fool when he holdeth his peace is reckoned wise, [and] he that shutteth his lips, intelligent.
KJV
28 Even a fool, when he holdeth his peace, is counted wise: [and] he that shutteth his lips [is esteemed] a man of understanding.