Deuteronomy 17:16-18

Darby Translation

¹⁶ Only he shall not multiply horses to himself, nor lead back the people to Egypt, to multiply horses; for Jehovah hath said unto you, Ye shall not return again any more that way.

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

¹⁸ And it shall be, when he sitteth upon the throne of his kingdom, that he shall write for himself a copy of this law in a book out of that which is before the priests, the Levites;