The Apostle Paul
2 Corinthians 11:18ESV·traditional attribution

Since many boast according to the flesh, I too will boast.

John Calvin Reformed @genevareformer

18. Since many glory. The meaning is — Should any one say to me, by way of objection, that what I do is faulty, what then as to others? Are not they my leaders? Am I alone, or am I the first, in glorying according to the flesh?

Matthew Henry Presbyterian @wholebiblehenry

Here we have a further excuse that the apostle makes for what he was about to say in his own vindication. 1. He would not have them think he was guilty of folly, in saying what he said to vindicate himself: Let no man think me a fool, Co2 11:16. Ordinarily, indeed, it is unbecoming a wise man to be much and often speaking in his own praise.

Commenting on 2 Corinthians 11:16-21

John Gill Reformed Baptist @doctorgill

Seeing that many glory after the flesh,.... Or with respect to things external, such as their high birth and parentage, carnal descent, circumcision, learned education, and the like; of which the false apostles, being Jews, boasted, who it seems were many; and though a multitude is not to be followed to do evil, yet the apostle thought, that since there were so many who were...