Godly sorrow and repentance which leads to salvation, 2 Corinthians 7:8-10
In Corinth, Godly sorrow over a letter Paul regretted writing led the members of the church to a zeal to put away their sins which is the definition of repentance. After that repentance, they were told to accept back among themselves even those who had lapsed into the “worst” sins, but had repented.