The Prophet Amos first pleads for himself, that he was not at liberty to obey the counsel of Amaziah, because he could not renounce a calling to which he was appointed. As then he had been sent by God, he proves that he was bound by necessity to prophesy in the land of Israel. In the first place, he indeed modestly says, that he was not a prophet, nor the son of a prophet: why did he say this? To render himself contemptible? By no means, though the words apparently have this tendency; but it was to gain for himself more authority; for his extraordinary call gave him greater weight than if he had been brought up from his childhood in the schools of the prophets. He then shows that he became a prophet by a miraculous interposition, and that the office was not committed to him by human authority, and in the usual way; but that he had been led to it as it were by force, so that he could not cast aside the office of teaching, without openly shaking off the yoke laid upon him by God.

This account then which Amos gives of himself ought to be noticed, I was not a Prophet, nor the son of a Prophet Had he said simply that he was not a Prophet, he might have been accused of presumption: how so? No one takes to himself this honor in the Church of God; a call is necessary; Were an angel to descend from heaven, he ought not to subvert public order; (Galatians 1:8) for all things, as Paul reminds us, ought to be done decently and in lawful order in the Church; for the God of peace presides over us. Had Amos then positively denied that he was a Prophet, he might on this account have been thrust away from his office of teaching, for he wanted a call. But he means that he was not a Prophet who had been from his childhood instructed in God’s law, to be an interpreter of Scripture: and for the same reason he says that he was not the son of a Prophet; for there were then, we know, colleges for Prophets; and this is sufficiently evident from sacred history. As then these colleges were instituted for this end — that there might be always seminaries for the Church of God, so that it might not be destitute of good and faithful teachers, Amos says that he was not of that class. He indeed honestly confesses that he was an illiterate man: but by this as I have already said, he gained to himself more authority inasmuch as the Lord had seized on him as it were by force, and set him over the people to teach them: “See, thou shalt be my Prophet, and though thou hast not been taught from thy youth for this office, I will yet in an instant make thee a Prophet.” It was a greater miracle, that Christ chose rude and ignorant men as his apostles, than if he had at first chosen Paul or men like him who were skillful in the law. If then Christ had at the beginning selected such disciples, their authority would have appeared less: but as he had prepared by his Spirit those who were before unlearned, it appeared more evident that they were sent from above. And to this refers the expression the Prophet uses, when he says, Jehovah took me away: for it intimates that his calls as we have said, was extraordinary. The rest we shall defer till to-morrow.