Deuteronomy 17:16-18

Revised Standard Version

¹⁶ Only he must not multiply horses for himself, or cause the people to return to Egypt in order to multiply horses, since the Lord has said to you, ‘You shall never return that way again.’ ¹⁷ And he shall not multiply wives for himself, lest his heart turn away; nor shall he greatly multiply for himself silver and gold.

¹⁸ “And when he sits on the throne of his kingdom, he shall write for himself in a book a copy of this law, from that which is in charge of the Levitical priests;