Berean Standard Bible (BSB)
A man of knowledge restrains his words, and a man of understanding maintains a calm spirit.
World English Bible (WEB)
He who spares his words has knowledge. He who is even tempered is a man of understanding.
Strong's King James
He that hath{H3045}{(H8802)} knowledge{H1847} spareth{H2820}{(H8802)} his words{H561}: and a man{H376} of understanding{H8394} is of an excellent{H3368}{(H8675)}{H7119} spirit{H7307}.
The F.O.G *
Him restraining his words knows knowledge, A cool spirit is an intelligent man.
The F.O.G Message *
Young's Literal Translation
One acquainted with knowledge is sparing his words, And the cool of temper is a man of understanding.