The Book of Jasher 87
1At that time the Lord said to Moses, Behold thy days are approaching to an end, take now Joshua the son of Nun thy servant and place him in the tabernacle, and I will command him, and Moses did so.
3And the Lord commanded Joshua the son of Nun and said unto him, Be strong and courageous, for thou shalt bring the children of Israel to the land which I swore to give them, and I will be with thee.
4And Moses said to Joshua, Be strong and courageous, for thou wilt make the children of Israel inherit the land, and the Lord will be with thee, he will not leave thee nor forsake thee, be not afraid nor disheartened.
5And Moses called to all the children of Israel and said to them, You have seen all the good which the Lord your God has done for you in the wilderness.
6Now therefore observe all the words of this law, and walk in the way of the Lord your God, turn not from the way which the Lord has commanded you, either to the right or to the left.
7And Moses taught the children of Israel statutes and judgments and laws to do in the land as the Lord had commanded him.
11And the children of Israel wept for Moses in the plains of Moab for thirty days, and the days of weeping and mourning for Moses were completed.