Deuteronomy 17:17-19

Amplified Bible, Classic Edition

¹⁷ And he shall not multiply wives to himself, that his [mind and] heart turn not away; neither shall he greatly multiply to himself silver and gold.

¹⁸ And when he sits on his royal throne, he shall write for himself a copy of this law in a book, out of what is before the Levitical priests.

¹⁹ And he shall keep it with him, and he shall read in it all the days of his life, that he may learn [reverently] to fear the Lord his God, by keeping all the words of this law and these statutes and doing them,