Job 21:5

21:5 Look at me and be appalled;

put your hands over your mouths.

Job 40:4

40:4 “Indeed, I am completely unworthy – how could I reply to you?

I put my hand over my mouth to silence myself.

Jude 1:19

1:19 These people are divisive, worldly, devoid of the Spirit.

Proverbs 30:32

30:32 If you have done foolishly by exalting yourself

or if you have planned evil,

put your hand over your mouth!