Proverbs 10:20 in the King James Version
The tongue of the just is as choice silver: the heart of the wicked is little worth.
Context
19 In the multitude of words there is no lack of disobedience, but he who restrains his lips does wisely.
20 The tongue of the righteous is like choice silver. The heart of the wicked is of little worth.
21 The lips of the righteous feed many, but the foolish die for lack of understanding.