Deuteronomy 31:21-23

New International Version - UK

²¹ And when many disasters and calamities come on them, this song will testify against them, because it will not be forgotten by their descendants. I know what they are disposed to do, even before I bring them into the land I promised them on oath.’ ²² So Moses wrote down this song that day and taught it to the Israelites.

²³ The Lord gave this command to Joshua son of Nun: ‘Be strong and courageous, for you will bring the Israelites into the land I promised them on oath, and I myself will be with you.’