Deuteronomy 17:18-19

NHEB(i) 18 It shall be, when he sits on the throne of his kingdom, that he shall write him a copy of this law on a scroll, out of that which is before the priests the Levites: 19 and it shall be with him, and he shall read it all the days of his life; that he may learn to fear the LORD his God, to keep all the words of this law and these statutes, to do them;