Deuteronomy 31:2–8

²“I’m 120 years old now, and I’m not able to lead you anymore. Besides, the Lord has told me that I cannot cross the Jordan River. ³The Lord your God is the one who will cross the river ahead of you. He will destroy those nations as you arrive, and you will take possession of their land. Joshua will also cross the river ahead of you, as the Lord told you. ⁴The Lord will do to those nations what he did to King Sihon and King Og of the Amorites and to their lands when he destroyed them. ⁵The Lord will hand them over to you, and you must do to them everything that I commanded you. ⁶Be strong and courageous. Don’t tremble! Don’t be afraid of them! The Lord your God is the one who is going with you. He won’t abandon you or leave you.” 

⁷Then Moses called for Joshua and said to him in the presence of all Israel, “Be strong and courageous. You will go with these people into the land that the Lord will give them, as he swore to their ancestors. You will help them take possession of the land.^a8The Lord is the one who is going ahead of you. He will be with you. He won’t abandon you or leave you. So don’t be afraid or terrified.”