While the people continued to stand afar off — Afraid of God's wrath, Moses drew near unto the thick darkness; he was made to draw near, so the word is: Moses of himself durst not have ventured into the thick darkness if God had not called him, and encouraged him, and, as some of the Rabbins suppose, sent an angel to take him by the hand, and lead him up.
Related Commentaries of Exodus 20:21
Exodus 20:21
21 And the people stood afar off, and Moses drew near unto the thick darkness where God was.