The Apostle Paul
2 Corinthians 7:11BSB·traditional attribution

Consider what this godly sorrow has produced in you: what earnestness, what eagerness to clear yourselves, what indignation, what alarm, what longing, what zeal, what vindication! In every way you have proved yourselves to be innocent in this matter.

John Calvin Reformed @genevareformer

11. What earnest desire it produced in you I shall not enter into any dispute as to whether the things that Paul enumerates are effects of repentance, or belong to it, or are preparatory to it, as all this is unnecessary for understanding Paul’s design, for he simply proves the repentance of the Corinthians from its signs, or accompaniments.

Matthew Henry Presbyterian @wholebiblehenry

There seems to be a connection between Co2 2:13 (where the apostle said he had no rest in his spirit when he found not Titus at Troas) and the fifth verse of this chapter: and so great was his affection to the Corinthians, and his concern about their behaviour in relation to the incestuous person, that, in his further travels, he still had no rest till he heard from them.

Commenting on 2 Corinthians 7:5-11

John Gill Reformed Baptist @doctorgill

For behold, this selfsame thing, that ye sorrowed after a godly sort,.... The apostle proceeds to describe godly sorrow by its effects, which are so many evidences of the sincerity and genuineness of it; some of the things mentioned are peculiar to the case of the Corinthians, and others common to evangelical repentance in any: what carefulness it wrought in you; to remove the incestuous...