A common misinterpretation of this verse is to portray God as the arbitrary author of sin by hardening Sihon's heart unprovoked, overlooking the context where Sihon had already chosen hostility by mobilizing his army against Israel; another error is to universalize this as God predestining all unbelief or rebellion, ignoring its specific role in judicial judgment during the conquest, which can lead to fatalistic views that undermine human responsibility in responding to God's commands.
Deuteronomy 2:30
King James Version (1769)
30 But Sihon king of Heshbon would not let us pass by him: for the Lord thy God hardened his spirit, and made his heart obstinate, that he might deliver him into thy hand, as appeareth this day.
Deuteronomy 2:30 reveals God's sovereign control over human hearts in the context of judgment and fulfillment of His promises, as He hardened King Sihon's spirit and made his heart obstinate specifically to deliver the king into Israel's hands, enabling them to begin possessing the promised land after Sihon's willful refusal to allow safe passage, demonstrating how divine hardening serves redemptive purposes rather than arbitrary cruelty.