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KJV - He that hath knowledge spareth his words: and a man of understanding is of an excellent spirit.
ASV - He that spareth his words hath knowledge; And he that is of a cool spirit is a man of understanding.
BBE - He who has knowledge says little: and he who has a calm spirit is a man of good sense.
WEB - He who spares his words has knowledge. He who is even tempered is a man of understanding.
YLT - One acquainted with knowledge is sparing his words, And the cool of temper `is' a man of understanding.