And he cried against the altar in the word of the LORD, and said, O altar, altar, thus saith the LORD; Behold, a child shall be born unto the house of David, Josiah by name; and upon thee shall he offer the priests of the high places that burn incense upon thee, and men's bones shall be burnt upon thee.

Wesley's Notes

13:2 The altar - And consequently, against all that worship. O altar - He directs his speech to the altar, because the following signs were wrought upon it. Josiah - Which being done above three hundred years after this prophecy, plainly shews the absolute certainty of God's providence; and fore - knowledge even in the most contingent things. For this was in itself uncertain, and wholly depended upon man's will, both as to the having of a child, and as to the giving it this name. Therefore God can certainly and effectually over - rule man's will which way he pleaseth; or else it was possible, that this prediction should have been false; which is blasphemous to imagine. The priests - The bones of the priests, 2Kings 23:15,16, whereby the altar should be defiled. How bold was the man, that durst attack the king in his pride, and interrupt the solemnity he was proud of? Whoever is sent on God's errand, must not fear the faces of men. It was above three hundred and fifty years ere this prophecy was fulfilled. Yet it is spoken of as sure and nigh at hand. For a thousand years are with God as one day.

Jamieson-Fausset-Brown Bible Commentary

2-9. he cried against the altar-which is put for the whole system of worship organized in Israel.

Behold, a child shall be born . Josiah by name-This is one of the most remarkable prophecies recorded in the Scriptures; and, in its clearness, circumstantial minuteness, and exact prediction of an event that took place three hundred sixty years later, it stands in striking contrast to the obscure and ambiguous oracles of the heathen. Being publicly uttered, it must have been well known to the people; and every Jew who lived at the accomplishment of the event must have been convinced of the truth of a religion connected with such a prophecy as this. A present sign was given of the remote event predicted, in a visible fissure being miraculously made on the altar. Incensed at the man's license of speech, Jeroboam stretched out his hand and ordered his attendants to seize the bold intruder. That moment the king's arm became stiff and motionless, and the altar split asunder, so that the fire and ashes fell on the floor. Overawed by the effects of his impiety, Jeroboam besought the prophet's prayer. His request was acceded to, and the hand was restored to its healthy state. Jeroboam was artful, and invited the prophet to the royal table, not to do him honor or show his gratitude for the restoration of his hand, but to win, by his courtesy and liberal hospitality, a person whom he could not crush by his power. But the prophet informed him of a divine injunction expressly prohibiting him from all social intercourse with any in the place, as well as from returning the same way. The prohibition not to eat or drink in Beth-el was because all the people had become apostates from the true religion, and the reason he was not allowed to return the same way was lest he should be recognized by any whom he had seen in going.

Matthew Henry's Concise Commentary

13:1-10 In threatening the altar, the prophet threatens the founder and worshippers. Idolatrous worship will not continue, but the word of the Lord will endure for ever. The prediction plainly declared that the family of David would continue, and support true religion, when the ten tribes would not be able to resist them. If God, in justice, harden the hearts of sinners, so that the hand they have stretched out in sin they cannot pull in again by repentance, that is a spiritual judgment, represented by this, and much more dreadful. Jeroboam looked for help, not from his calves, but from God only, from his power, and his favour. The time may come when those that hate the preaching, would be glad of the prayers of faithful ministers. Jeroboam does not desire the prophet to pray that his sin might be pardoned, and his heart changed, but only that his hand might be restored. He seemed affected for the present with both the judgment and the mercy, but the impression wore off. God forbade his messenger to eat or drink in Bethel, to show his detestation of their idolatry and apostacy from God, and to teach us not to have fellowship with the works of darkness. Those have not learned self-denial, who cannot forbear one forbidden meal.