Deuteronomy 17:16-17 NIV

16 The king, moreover, must not acquire great numbers of horses1 for himself2 or make the people return to Egypt3 to get more of them,4 for the LORD has told you, "You are not to go back that way again."5

References for Deuteronomy 17:16

17 He must not take many wives,6 or his heart will be led astray.7 He must not accumulate8 large amounts of silver and gold.9

References for Deuteronomy 17:17