For it was of the LORD to harden their hearts, that they should come against Israel in battle, that he might destroy them utterly, and that they might have no favor, but that he might destroy them, as the LORD commanded Moses.
All Commentaries on Joshua 11:20 Go To Joshua 11
George Leo Haydock
AD 1849
Hardened. This hardening of their hearts, was their having no thought of yielding or submitting: which was a sentence or judgment of God upon them, in punishment of their enormous crimes. (Challoner)
God might indeed by his all-powerful grace have changed their hearts, but their crimes caused him to withhold that grace; and thus they were suffered to shut their eyes to their true interest. (Calmet)
They alone therefore were the cause of their own obduracy, which God only did not prevent, Exodus vii. (Worthington)