It had taken several generations, but the Lord’s promise was about to be fulfilled: the children of Israel were on the verge of inheriting the promised land. But in their way stood the Jordan River, the walls of Jericho, and a wicked but mighty people who had rejected the Lord (see 1 Nephi 17:35). On top of that, their beloved leader Moses was gone. The situation may have made some Israelites feel weak and fearful, but the Lord said, “Be strong and of a good courage.” Why should they feel this way? Not because of their own strength—or even Moses’s or Joshua’s—but because “the Lord thy God is with thee whithersoever thou goest” (Joshua 1:9). When we have our own rivers to cross and walls to bring down, wonderful things can happen in our lives, because it is “the Lord [who] will do wonders among [us]” (Joshua 3:5).