Deuteronomy 17:20
That his heart be not lifted up above his brethren, and that he turn not aside from the commandment, the right hand, or the left: to the end that he may prolong days in his kingdom, he, and his children, in the midst of Israel.
ā The Restored Word Bible
Context
18 And it shall be, when he sitteth upon the throne of his kingdom, that he shall write him a copy of this law in a book out of before the priests the Levites:
19 And it shall be with him, and he shall read therein all the days of his life: that he may learn to fear the Yahuah his Elohim, to keep all the words of this law and these statutes, to do them:
20 That his heart be not lifted up above his brethren, and that he turn not aside from the commandment, the right hand, or the left: to the end that he may prolong days in his kingdom, he, and his children, in the midst of Israel.