'Man of Understanding' in the Bible

It is as sport to a foolish man to do wickedness; but a man of understanding hath wisdom.

He that despiseth his neighbour is void of heart; but a man of understanding holdeth his peace.

Folly is joy to him that is void of sense; but a man of understanding regulateth his walk.

He that hath knowledge spareth his words; and a man of understanding is of a cool spirit.

Counsel in the heart of man is deep water, and a man of understanding draweth it out.

By the transgression of a land many are the princes thereof; but by a man of understanding and of knowledge, its stability is prolonged.