9:14-21 The Israelites, having examined the provisions of the Gibeonites, hastily concluded that they confirmed their account. We make more haste than good speed, when we stay not to take God with us, and do not consult him by the word and prayer. The fraud was soon found out. A lying tongue is but for a moment. Had the oath been in itself unlawful, it would not have been binding; for no obligation can render it our duty to commit a sin. But it was not unlawful to spare the Canaanites who submitted, and left idolatry, desiring only that their lives might be spared. A citizen of Zion swears to his own hurt, and changes not, Ps 15:4. Joshua and the princes, when they found that they had been deceived, did not apply to Eleazar the high priest to be freed from their engagement, much less did they pretend that no faith is to be kept with those to whom they had sworn. Let this convince us how we ought to keep our promises, and make good our bargains; and what conscience we ought to make of our words.

14, 15. the men took of their victuals and asked not counsel at the mouth of the Lord—The mouldy appearance of their bread was, after examination, accepted as guaranteeing the truth of the story. In this precipitate conclusion the Israelites were guilty of excessive credulity and culpable negligence, in not asking by the high priest's Urim and Thummim the mind of God, before entering into the alliance. It is not clear, however, that had they applied for divine direction they would have been forbidden to spare and connect themselves with any of the Canaanite tribes who renounced idolatry and embraced and worshipped the true God. At least, no fault was found with them for making a covenant with the Gibeonites; while, on the other hand, the violation of it was severely punished (2Sa 21:1; and Jos 11:19, 20).