“but you will not cross over there.” Moses was mentally prepared for this because God had told him that before (cp. Deut. 3:27; 4:21-22; 32:52). We can understand that Moses was as willing as he was to obey God’s command about not crossing the Jordan because he so strongly held the Hope of resurrection and being in the land in the future when the Messiah ruled the earth. Eighty years earlier he had refused his position as the son of Pharaoh’s daughter because he had such a strong hope (Heb. 11:24-26), and now Moses, the willing servant of God, did as God commanded.
[For more on Christ’s Millennial Kingdom and his rule on earth, see Appendix 3, “Christ’s Future Kingdom on Earth”].