11 according to the tenor of the law which they shall teach thee, and according to the judgment which they shall tell thee, thou shalt do; thou shalt not turn aside from the sentence which they shall show thee, to the right hand, nor to the left.

Matthew Henry's Commentary on Deuteronomy 17:11

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.