Proverbs 10:11 in the King James Version
The mouth of a righteous man is a well of life: but violence covereth the mouth of the wicked.
Context
10 One who winks with the eye causes sorrow, but a chattering fool will fall.
11 The mouth of the righteous is a spring of life, but violence covers the mouth of the wicked.
12 Hatred stirs up strife, but love covers all wrongs.