8 We took the land at that time out of the hand of the two kings of the Amorites who were beyond the Jordan, from the valley of the Arnon to Mount Hermon;

Matthew Henry's Commentary on Deuteronomy 3:8

Commentary on Deuteronomy 3:1-11

(Read Deuteronomy 3:1-11)

1-11 Og was very powerful, but he did not take warning by the ruin of Sihon, and desire conditions of peace. He trusted his own strength, and so was hardened to his destruction. Those not awakened by the judgments of God on others, ripen for the like judgments on themselves.