by John Calvin
From Calvin's Institutes 3.3.15-21, pg 607-617
15. Repentance according to 2 Cor. 7:11
It is for a very good reason that the apostle enumerates seven causes, effects, or parts in his description of repentance. They are earnestness or carefulness, excuse, indignation, fear, longing, zeal, and avenging [2 Cor. 7:11]. It should not seem absurd that I dare not determine whether they ought to be accounted causes or effects, for either is debatable. And they can also be called inclinations joined with repentance. But because, leaving out those questions, we can understand what Paul means, we shall be content with a simple exposition.
Therefore, he says that from "sorrow … according to God" [2 Cor. 7:10] carefulness arises. For he who is touched with a lively feeling of dissatisfaction with self because he has sinned against his God is at the same time aroused to diligence and attention that he may escape from the devil's snares, that he may better take precaution against his wiles, and that he may not afterward fall away from the governance of the Holy Spirit, nor be lulled into a sense of security.