Ezra 7:25-26

7:25 “Now you, Ezra, in keeping with the wisdom of your God which you possess, appoint judges and court officials who can arbitrate cases on behalf of all the people who are in Trans-Euphrates who know the laws of your God. Those who do not know this law should be taught. 7:26 Everyone who does not observe both the law of your God and the law of the king will be completely liable to the appropriate penalty, whether it is death or banishment or confiscation of property or detainment in prison.”

Deuteronomy 17:18-19

17:18 When he sits on his royal throne he must make a copy of this law on a scroll given to him by the Levitical priests. 17:19 It must be with him constantly and he must read it as long as he lives, so that he may learn to revere the Lord his God and observe all the words of this law and these statutes and carry them out.

Isaiah 8:20

8:20 Then you must recall the Lord’s instructions and the prophetic testimony of what would happen. Certainly they say such things because their minds are spiritually darkened.