But Sihon king of Heshbon would not let us pass by him: for the LORD your God hardened his spirit, and made his heart obstinate, that he might deliver him into your hand, as it is this day.
All Commentaries on Deuteronomy 2:30 Go To Deuteronomy 2
Richard Challoner
AD 1781
Hardened: That is, in punishment of his past sins he left him to his own stubborn and perverse disposition, which drew him to his ruin. See the note on Ex. 7. 3.