And the LORD said to Moses, “Behold, I am coming to you in a thick cloud, that the people may hear when I speak with you, and may also believe you forever.” When Moses told the words of the people to the LORD,
9. And the Lord said unto Moses. God here proclaims, that by a manifest symbol of His glory, He will make it evident that the Law proceeded not from Moses, but that he merely delivered faithfully what he received from heaven; for God was so covered with the cloud, as with a veil that He still upraised their minds as by a certain sign of His presence.
Here, I. God intimates to Moses his purpose of coming down upon mount Sinai, in some visible appearance of his glory, in a thick cloud (Exo 19:9); for he said that he would dwell in the thick darkness (Ch2 6:1), and make this his pavilion (Psa 18:11), holding back the face of his throne when he set it upon mount Sinai, and spreading a cloud upon it, Job 26:9.
Commenting on Exodus 19:9-15
And the Lord said unto Moses,.... As the Targum of Jonathan, on the third day; though Jarchi says the fourth; which seems not so well to agree with his words on the preceding verse, since it seems to be at the same time that Moses returned the words of the people to the Lord, that he said what follows to him: lo, I come unto...