Serbal. They may have been scattered over a space many miles square, filling up the depths of the valleys and overflowing the tops of the hills. The sides of the mountains may have been black with the dense masses; and away yonder, on the shore of the Red Sea, is a sandy beach or plain, where there is space enough not only for the congregation of Israel, but we might almost say for the army of the dead if they were to rise up as at the Day of Judgment. All were within sight and hearing of the awful Mount. All might have seen the lightnings from the cloud, and heard the thunderings and "the voice of the trumpet sounding long and waxing louder and louder." So it might have been. How it was, we can perhaps judge better after we have ascended the cliffs of Sinai.