In the fourth aliyah Moshe tells the Jewish people that they have been given free choice to choose between good and evil, which is the choice between life and death. They should choose life by loving G-d and obeying Him.

Moshe then addresses the people by saying that he is 120 years old today, and he is not permitted to go over the Jordan with them. Yehoshua will lead them, and G-d will go with them and fight their enemies for them as He fought Sichon and Og, kings of the Amorites. G-d destroyed them and gave their land to the Jews. We should be strong and not fear.