but the man of God went back with him, ate bread in his house, and drank water.
The man of God had honestly and resolutely refused the king's invitation, though he promised him a reward; yet he was over-persuaded by an old prophet to come back with him, and dine in Beth-el, contrary to the command given him. Here we find how dearly his dinner cost him. Observe with wonder, I. The old prophet's wickedness.
Commenting on 1 Kings 13:11-22
And he cried unto the man of God that came from Judah,.... His mind being greatly affected with the word brought to him, partly on his own account, who, by a lie his conscience must accuse him of, had been the means of seducing the man of God, and partly on his account, who was threatened with death for complying with him: saying, thus saith...
So he went back with him - He permitted himself to be imposed on; he might have thought, as he had accomplished every purpose for which God sent him, and had actually begun to return by another way, God, who had given him the charge, had authority to say, "As thy purpose was to obey every injunction, even to the letter, I now permit thee...