Forty years; so long it pleased God to try Moses’s faith, and his people’s patience.
Mount Sinai, in the desert of Arabia, where the law was afterwards delivered, Exo_18:5 19:3.
An angel; not a created, but the uncreated Angel; the Angel of the new covenant, as may be seen Act_7:32, and by Moses putting off his shoes because the place was holy, Exo_3:2,5; he is also in Exo_3:4 called the Lord. God still appeared in such a manner as was most instructive to them he appeared to, and to us; as here in a flame of fire in a bush to show that he was with his people in all their sufferings, and would so provide, that they should not be consumed by them; they might be purified, but should not be destroyed.