If I be not an apostle unto others, yet doubtless I am to you: for the {b} seal of mine apostleship are ye in the Lord.

(b) As a seal by which it sufficiently appears that God is the author of my apostleship.

People's New Testament

9:2 For the seal of mine apostleship ye are. The existence of the church at Corinth, founded by his labors, proved that he was their apostle, at least.

Wesley's Notes

9:2 Ye are the seal of my apostleship - Who have received not only faith by my mouth, but all the gifts of the Spirit by my hands.

Jamieson-Fausset-Brown Bible Commentary

2. yet doubtless-yet at least I am such to you.

seal of mine apostleship-Your conversion by my preaching, accompanied with miracles ("the signs of an apostle," Ro 15:18, 19; 2Co 12:12), and your gifts conferred by me (1Co 1:7), vouch for the reality of my apostleship, just as a seal set to a document attests its genuineness (Joh 3:33; Ro 4:11).

Matthew Henry's Concise Commentary

9:1-14 It is not new for a minister to meet with unkind returns for good-will to a people, and diligent and successful services among them. To the cavils of some, the apostle answers, so as to set forth himself as an example of self-denial, for the good of others. He had a right to marry as well as other apostles, and to claim what was needful for his wife, and his children if he had any, from the churches, without labouring with his own hands to get it. Those who seek to do our souls good, should have food provided for them. But he renounced his right, rather than hinder his success by claiming it. It is the people's duty to maintain their minister. He may wave his right, as Paul did; but those transgress a precept of Christ, who deny or withhold due support.

Matthew Henry's Whole Bible Commentary

Chapter 9

In this chapter the apostle seems to answer some cavils against himself. I. He asserts his apostolical mission and authority, and gives in his success among them as a testimony to it (v. 1, 2). II. He claims a right to subsist by his ministry, and defends it by several arguments from natural reason and the Mosaical law, and asserts it also to be a constitution of Christ (v. 3-14). III. He shows that he had willingly waived this privilege and power for their benefit (v. 15-18). IV. He specifies several other things, in which he had denied himself for the sake of other men's spiritual interest and salvation (v. 19-23). And, V. Concludes his argument by showing what animated him to this course, even the prospect of an incorruptible crown (v. 24 to the end.)

Verses 1-2

Blessed Paul, in the work of his ministry, not only met with opposition from those without, but discouragement from those within. He was under reproach; false brethren questioned his apostleship, and were very industrious to lessen his character and sink his reputation; particularly here at Corinth, a place to which he had been instrumental in doing much good, and from which he had deserved well; and yet there were those among them who upon these heads created him great uneasiness. Note, It is no strange nor new thing for a minister to meet with very unkind returns for great good-will to a people, and diligent and successful services among them. Some among the Corinthians questioned, if they did not disown, his apostolical character. To their cavils he here answers, and in such a manner as to set forth himself as a remarkable example of that self-denial, for the good of others, which he had been recommending in the former chapter. And, 1. He asserts his apostolical mission and character: Am I not an apostle? Have I not seen Jesus Christ our Lord? To be a witness of his resurrection was one great branch of the apostolical charge. "Now," says Paul, "have not I seen the Lord, though not immediately after his resurrection, yet since his ascent?" See ch. 4:8. "Am I not free? Have I not the same commission, and charge, and powers, with the other apostles? What respect, or honour, or subsistence, can they challenge, which I am not at liberty to demand as well as they?" It was not because he had no right to live of the gospel that he maintained himself with his own hands, but for other reasons. 2. He offers the success of his ministry among them, and the good he had done to them, as a proof of his apostleship: "Are not you my work in the Lord? Through the blessing of Christ on my labours, have not I raised a church among you? The seal of my apostleship are you in the Lord. Your conversion by my means is a confirmation from God of my mission." Note, The ministers of Christ should not think it strange to be put upon the proof of their ministry by some who have had experimental evidence of the power of it and the presence of God with it. 3. He justly upbraids the Corinthians with their disrespect: "Doubtless, if I am not an apostle to others, I am so to you, v. 2. I have laboured so long, and with so much success, among you, that you, above all others, should own and honour my character, and not call it in question." Note, It is no new thing for faithful ministers to meet with the worst treatment where they might expect the best. This church at Corinth had as much reason to believe, and as little reason to question, his apostolical mission, as any; they had as much reason, perhaps more than any church, to pay him respect. He had been instrumental in bringing them to the knowledge and faith of Christ; he laboured long among them, nearly two years, and he laboured to good purpose, God having much people among them. See Acts 18:10, 11. It was aggravated ingratitude for this people to call in question his authority.