Proverbs 17:27

A man of knowledge restrains his words, and a man of understanding maintains a calm spirit.
BSB · Berean Standard Bible
He that hath knowledge spareth his words: and a man of understanding is of an excellent spirit.

Note an…: or, a cool

KJV · King James Version
He who spares his words has knowledge. He who is even tempered is a man of understanding.
WEB · World English Bible
He that spareth his words hath knowledge; And he that is of a cool spirit is a man of understanding.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

spareth
Proverbs 10:19; Proverbs 15:28; James 1:19; James 3:2
an excellent spirit
or, a cool spirit.
Proverbs 16:32; Ecclesiastes 9:17; James 3:18