Job 21:5 Kabbalah

פְּנוּ־אֵלַ֥י וְהָשַׁ֑מּוּ וְשִׂ֖ימוּ יָ֣ד עַל־פֶּֽה׃

Turn unto me, and be astonished, And lay your hand upon your mouth.

Read kabbalistic (mystical) interpretation of Job 21:5: and classical mystical sources.