Proverbs 30:32
If thou have done foolishly in lifting up thyself, or if thou have thought evil, [lay] thy hand upon thy mouth.
Job 21:5
Mark me, and be astonished, and lay your hand upon your mouth.
Proverbs 17:28
Even a fool, when he holds his peace, is considered wise. When he shuts his lips, he is prudent.
Proverbs 26:12
See thou a man wise in his own conceit? There is more hope for a fool than of him.
Ecclesiastes 8:3-4
Be not hasty to go out of his presence. Persist not in an evil matter, for he does whatever pleases him.
Micah 7:16-17
The nations shall see and be ashamed of all their might. They shall lay their hand upon their mouth. Their ears shall be deaf.
Romans 3:19
Now we know that as many things as the law says, it says to those in the law, so that every mouth may be stopped, and all the world may become accountable to God.