Deuteronomy 32:46-47

New Revised Standard Version

⁴⁶ he said to them: “Take to heart all the words that I am giving in witness against you today; give them as a command to your children, so that they may diligently observe all the words of this law. ⁴⁷ This is no trifling matter for you, but rather your very life; through it you may live long in the land that you are crossing over the Jordan to possess.”