Moses
Deuteronomy 3:21KJV·traditional attribution

And I commanded Joshua at that time, saying, Thine eyes have seen all that the LORD your God hath done unto these two kings: so shall the LORD do unto all the kingdoms whither thou passest.

John Calvin Reformed

21. And I commanded Joshua at that time. He repeats what we have already seen, that he exhorted Joshua together with the whole people to prepare themselves to occupy the land with alacrity, relying as well upon God’s promise, as upon the numerous proofs of His assistance, which were so many pledges of the future continuance of His grace.

Matthew Henry Presbyterian

Here is I. The encouragement which Moses gave to Joshua, who was to succeed him in the government, Deu 3:21, Deu 3:22. He commanded him not to fear. This those that are aged and experienced in the service of God should do all they can to strengthen the hands of those that are young, and setting out in religion.

Commenting on Deuteronomy 3:21-29

John Gill Reformed Baptist

Ye shall not fear them,.... On account of the numbers, strength, courage, and gigantic stature of the inhabitants, at least some of them; nor on account of their walled towns, and fortified cities: for the Lord your God he shall fight for you; as he did, particularly at Jericho, the walls of which city fell at the sound of rams' horns; and at Gibeon, when...