10:33-36 Their going out and coming in, gives an example to us to begin and end every day's journey and every day's work with prayer. Here is Moses's prayer when the ark set forward, Rise up, and let thine enemies be scattered. There are those in the world who are enemies to God and haters of him; secret and open enemies; enemies to his truths, his laws, his ordinances, his people. But for the scattering and defeating of God's enemies, there needs no more than God's arising. Observe also the prayer of Moses when the ark rested, that God would cause his people to rest. The welfare and happiness of the Israel of God, consist in the continual presence of God among them. Their safety is not in their numbers, but in the favour of God, and his gracious return to them, and resting with them. Upon this account, Happy art thou, O Israel! who is like unto thee, O people! God will go before them, to find them resting-places by the way. His promise is, and their prayers are, that he will never leave them nor forsake them.

33. they departed … three days' journey—the first day's progress being very small, about eighteen or twenty miles.

ark of the covenant of the Lord went before them—It was carried in the center, and hence some eminent commentators think the passage should be rendered, "the ark went in their presence," the cloud above upon it being conspicuous in their eyes. But it is probable that the cloudy pillar, which, while stationary, rested upon the ark, preceded them in the march—as, when in motion at one time (Ex 14:19) it is expressly said to have shifted its place.