John Chrysostom
See what great affection he has for Peter. For his sake he undertook the journey, and with him he stayed. I say this so often, and wish to preserve it in your memory, so that when you hear words seemingly spoken against Peter, none of you may suspect the Apostle.
To prevent this, he himself speaks of his visit to Peter. Thus, when he says, "I opposed Peter" (2:11), no one should consider these words an expression of hostility or rivalry. For in truth he honors this man and loves him more than all.
Indeed, he says that he came to Jerusalem not for the sake of any other apostle, but solely for Peter. "But I saw none of the other apostles," he says, "except James, the Lord's brother." "I saw him," he says, "but I learned nothing from him."
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But notice with what honor he named him also. He did not simply say "James," but added his glorious title, "the Lord's brother." So foreign was he to every envy.
If he had wished only to indicate the one of whom he spoke, he could have made this clear by using another distinguishing mark and called him the son of Clopas, as the Evangelist also said (Jn 19:25; Mk 15:40).
Yet he did not say this. Since he considered the honorable titles of the apostles to be his own titles, he magnifies James as though magnifying himself.
For he did not call him, as I said, by that other title. How then did he call him? The Lord's brother. Although he was not in fact the Lord's brother according to the flesh, but was only considered such, even this did not prevent the Apostle from acknowledging the dignity of this man.
In many other places also he shows that he was disposed toward all the apostles with the sincerity fitting to him.