Shall — I send a challenge to God, or a message that I am ready to debate with him concerning his proceedings? Speak — If a man should be so bold to enter the lists with God. Swallowed up — With the sense of his infinite majesty.
Related Commentaries of Job 37:20
Job 37:20
20 Shall it be told him that I speak? if a man speak, surely he shall be swallowed up.