Whoever restrains his words has knowledge, and he who has a cool spirit is a man of understanding.
Two ways a man may show himself to be a wise man: - 1. By the good temper, the sweetness and the sedateness, of his mind: A man of understanding is of an excellent spirit, a precious spirit (so the word is); he is one that looks well to his spirit, that it be as it should be, and so keeps it in an even...
Commenting on Proverbs 17:27-28
He that hath knowledge spareth his words,.... Or, "he that knows knowledge" (c); one that is very knowing, has a fund of knowledge in him, "spareth his words"; is generally a man of few words, he thinks much and says little; and though he may be communicative of his knowledge to proper persons, and at proper times, yet never speaks of it in a boasting...
Prudence of speech is commended as is an excellent or calm spirit, not excited to vain conversation. Next: Proverbs Chapter 18