2. Their zeal, upon this suspicion, was very commendable, v. 12. When they apprehended that these tribes, which by the river Jordan were separated from them, were separating themselves from God, they took it as the greatest injury that could be done to themselves, and showed a readiness, if it were necessary, to put their lives in their hands in defence of the altar of God, and to take up arms for the chastising and reducing of these rebels, and to prevent the spreading of the infection, if no gentler methods would serve, by cutting off from their body the gangrened member. They all gathered together, and Shiloh was the place of their rendezvous, because it was in defence of the divine charter lately granted to that place that they now appeared; their resolution was as became a kingdom of priests, who, being devoted to God and his service, did not acknowledge their brethren nor know their own children, Deut. xxxiii. 9. They would immediately go up to war against them if it appeared they had revolted from God, and were in rebellion against him. Though they were bone of their bone, had been companions with them in tribulation in the wilderness, and serviceable to them in the wars of Canaan, yet, if they turn to serve other gods, they will treat them as enemies, not as sons of Israel, but as children of whoredoms, for so God had appointed, Deut. xiii. 12, &c. They had but lately sheathed their swords, and retired from the perils and fatigues of war to the rest God had given them, and yet they are willing to begin a new war rather than be any way wanting in their duty to restrain, repress, and revenge, idolatry, and every step towards it—a brave resolution, and which shows them hearty for their religion, and, we hope, careful and diligent in the practice of it themselves. Corruptions in religion are best dealt with at first, before they get head and plead prescription.