Moses came with Joshua son of Nun and spoke all the words of this song in the hearing of the people.
References for Deuteronomy 32:44
When Moses finished reciting all these words to all Israel,
he said to them, “Take to heart all the words I have solemnly declared to you this day, so that you may command your children to obey carefully all the words of this law.
References for Deuteronomy 32:46
They are not just idle words for you—they are your life. By them you will live long in the land you are crossing the Jordan to possess.”
References for Deuteronomy 32:47