21 The Lord went ahead of them. He guided them during the day with a pillar of cloud, and he provided light at night with a pillar of fire. This allowed them to travel by day or by night.

Matthew Henry's Commentary on Exodus 13:21

Commentary on Exodus 13:21-22

(Read Exodus 13:21-22)

The Lord went before them in a pillar, or appearance of the Divine Majesty. Christ was with the church in the wilderness, John 14:6.