21. And it shall come to pass, when ra'ot rabbot and tzarot are befallen them, that this shirah shall testify against them as an ed (witness); for it shall not be forgotten out of the mouths of their zera; for I know their yetzer (inclination) in which they go about, even now, before I have brought them into ha'aretz which I swore.
22. Moshe therefore wrote this shirah on that day, and taught it the Bnei Yisroel.
23. And he gave Yehoshua ben Nun a charge, and said, Chazak! And of a good courage; for thou shalt bring the Bnei Yisroel into Ha'Aretz which I swore unto them; and I will be with thee. [Isa 49:8]
24. And it came to pass, when Moshe had made an end of writing the divrei HaTorah hazot in a sefer, until they were finished,