12 Anyone arrogant enough to reject the verdict of the judge or of the priest who represents the Lord your God must die. In this way you will purge 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.