The Apostle Paul
2 Corinthians 13:11ESV·traditional attribution

Finally, brothers, rejoice. Aim for restoration, comfort one another, agree with one another, live in peace; and the God of love and peace will be with you.

John Calvin Reformed @genevareformer

11. Finally, brethren He qualifies whatever there has been of sharpness throughout the whole of the epistle, as he did not wish to leave their minds in an exasperated state, “Il ne vouloit point laisser leurs coeurs offenses ou saisis d’amertume;” — “He did not wish to leave their minds exasperated, or under the influence of bitterness.” but rather to soothe them.

Matthew Henry Presbyterian @wholebiblehenry

Thus the apostle concludes this epistle with, I. A valediction. He gives them a parting farewell, and takes his leave of them for the present, with hearty good wishes for their spiritual welfare. In order to this, 1. He gives them several good exhortations. (1.) To be perfect, or to be knit together in love, which would tend greatly to their advantage as a church, or Christian society.

Commenting on 2 Corinthians 13:11-14

John Gill Reformed Baptist @doctorgill

Finally, brethren, farewell,.... Or "rejoice", with spiritual joy in Christ, their Saviour and Redeemer; in his person, in whom they were accepted; in his righteousness, by which they were justified; in his blood, by which they were washed and cleansed; and in his fulness, from which they were supplied; and particularly, that they had such a faithful monitor, such an hearty well wisher of their...