Proverbs 30:32

If you have been foolish, exalting yourself, or if you have been devising evil, put your hand on your mouth.

Job 21:5

Look at me and be appalled, and lay your hand over your mouth.

Job 40:4

"Behold, I am of small account; what shall I answer you? I lay my hand on my mouth.

Proverbs 17:28

Even a fool who keeps silent is considered wise; when he closes his lips, he is deemed intelligent.

Proverbs 26:12

Do you see a man who is wise in his own eyes? There is more hope for a fool than for him.

Ecclesiastes 8:3-4

Be not hasty to go from his presence. Do not take your stand in an evil cause, for he does whatever he pleases.

Micah 7:16-17

The nations shall see and be ashamed of all their might; they shall lay their hands on their mouths; their ears shall be deaf;

Romans 3:19

Now we know that whatever the law says it speaks to those who are under the law, so that every mouth may be stopped, and the whole world may be held accountable to God.

Treasury of Scripture Knowledge

Summary

If thou hast done foolishly in lifting up thyself, or if thou hast thought evil, lay thine hand upon thy mouth.

Bible References

Thou hast done

Proverbs 26:12
Do you see a man who is wise in his own eyes? There is more hope for a fool than for him.
Ecclesiastes 8:3
Be not hasty to go from his presence. Do not take your stand in an evil cause, for he does whatever he pleases.

Lay

Proverbs 17:28
Even a fool who keeps silent is considered wise; when he closes his lips, he is deemed intelligent.
Job 21:5
Look at me and be appalled, and lay your hand over your mouth.
Job 40:4
"Behold, I am of small account; what shall I answer you? I lay my hand on my mouth.
Ecclesiastes 8:4
For the word of the king is supreme, and who may say to him, "What are you doing?"
Micah 7:16
The nations shall see and be ashamed of all their might; they shall lay their hands on their mouths; their ears shall be deaf;
Romans 3:19
Now we know that whatever the law says it speaks to those who are under the law, so that every mouth may be stopped, and the whole world may be held accountable to God.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.