The Apostle Paul
2 Corinthians 11:6BSB·traditional attribution

Although I am not a polished speaker, I am certainly not lacking in knowledge. We have made this clear to you in every way possible.

John Calvin Reformed @genevareformer

6. But though I am rude There was one thing “Il n’y auoit que ceci seul;” — “There was only this one thing.” in which he might appear, at first view, to be inferior — that he was devoid of eloquence.

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

But though I be rude in speech,.... Which might be objected to him, setting himself upon a level with men so famous for their diction, and elegance of style; and to this he answers, not by owning he was so, but granting it to be so; for the Apostle Paul was not an unlearned man, an idiot in speech, unskilful in language, his writings testify...