John Chrysostom
As above he said, “They begged us most urgently for the gift and the fellowship of the ministry to the saints. Therefore we urged Titus, that as he had begun, so he should complete this gracious work among you” (2 Cor 8:4, 6), so here he says: “I have sent the brothers so that my boasting about you may not prove vain in this matter” (v. 3).
Do you see in what anxiety and fear he is? Lest everything he said appear to have been spoken only for persuasion, and not because it was so in deed, he says, “I sent the brothers.” “I care so much for you, that my boasting about you may not prove vain.”
Read more (103 words)
He seems to take the greatest part in the Corinthians, though he cares equally for all. The sense of his words is this: “I boast of you very much. I speak of you to everyone with admiration, and I boasted to the Macedonians. Therefore, if you fall short of the praise, the shame will be common.”
But he speaks of this cautiously, for he added, “in this matter,” not in everything. “That you may be prepared, as I said.” He did not tell the Macedonians that they would be ready, but that everything among them was already prepared and that nothing was lacking.