The Apostle Paul
2 Corinthians 11:10ESV·traditional attribution

As the truth of Christ is in me, this boasting of mine will not be silenced in the regions of Achaia.

John Calvin Reformed @genevareformer

10. The truth of Christ is in me. Lest any one should suspect, that Paul’s words were designed to induce the Corinthians to be more liberal to him in future, and endeavor to make amends for their error in the past, he affirms with an oath, that he would take nothing from them, or from others in Achaia, though it were offered to him.

Matthew Henry Presbyterian @wholebiblehenry

After the foregoing preface to what he was about to say, the apostle in these verses mentions, I. His equality with the other apostles - that he was not a whit behind the very chief of the apostles, Co2 11:5. This he expresses very modestly: I suppose so. He might have spoken very positively.

Commenting on 2 Corinthians 11:5-15

John Gill Reformed Baptist @doctorgill

As the truth of Christ is in me,.... To show the firmness of his resolution, and how determined he was to abide by it, he joins an oath to it; for these words are the form of an oath; and it is as if he should say, as sure as Christ is truth, who is in me; or as that the truth of grace, or...