Numbers 20:24

This was one, but not the only reason. God would not have Moses and Aaron to carry the people into Canaan, for this reason also, to signify the insufficiency of the Mosaical and Aaronical priesthood to make them happy, and the necessity of a better, and so to keep the Israelites from resting in them so as to be taken off from their expectation of Christ, and from the entertainment of him when he should come.