John Chrysostom

"For I make known to you, brethren, as touching the Gospel which was preached by me that it is not after man. For neither did I receive it from man, nor was I taught it, but it came to me through revelation of Jesus Christ." You observe how sedulously he affirms that he was taught of Christ, who Himself, without human intervention, condescended to reveal to him all knowledge. …

Homily on Galatians 1 ↗

Theophylact of Ohrid

He wants to show them that he has truly departed from the law, and for this he reminds them of his former life and of the sharp change, showing that he would not have suddenly crossed over from Judaism if he had not had some divine assurance. Therefore he also says: "The gospel which I preached is not human," that is, I did not have a man as my teacher, but was a disciple of Christ Himself.

Commentary on Galatians ↗

Oecumenius

Paul wishes to show them that he did not receive the preaching from men, but from Christ himself. "is not according to men." For it is according to God, that is, according to a revelation from God.

Commentary on Galatians ↗

Jerome

For I make known to you, brothers, the Gospel that was preached by me: that it is not according to man, nor did I receive it from man, nor was I taught it, but through the revelation of Jesus Christ. From this passage, the teachings of Ebion and Photinus are refuted: that God is Christ, and not only man. …

Commentary on Galatians ↗

Thomas Aquinas

In the foregoing the Apostle rebuked the Galatians for their fickleness of mind in so quickly setting aside the Gospel teaching; now he shows the dignity of the Gospel teaching. And concerning this he does two things: First, he commends the authority of the Gospel teaching according to itself; Secondly, on the part both of the other apostles and himself (2:1): "Then, after fourteen years, I went up again to Jerusalem with Barnabas." The first part is further divided into two others, because: First, he presents his intention; …

Commentary on Galatians ↗