Deuteronomy 17:19-20

19And ait shall be with him, and he shall read in it all the days of his life, bthat he may learn to fear the Lord his God by keeping all the words of this law and these statutes, and doing them, 20that his heart may not be lifted up above his brothers, and that he cmay not turn aside from the commandment, either to the right hand or to the left, dso that he may continue long in his kingdom, he and his children, in Israel.

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