12 And any man who, in his pride, will not give ear to the priest whose place is there before the Lord your God, or to the judge, is to be put to death: you are to put away the evil from Israel.

Matthew Henry's Commentary on Deuteronomy 17:12

Commentary on Deuteronomy 17:8-13

(Read Deuteronomy 17:8-13)

Courts of judgment were to be set up in every city. Though their judgment had not the Divine authority of an oracle, it was the judgment of wise, prudent, experienced men, and had the advantage of a Divine promise.