7:10 repentance. Turning from sin, a sincere decision to forsake a specific sin (or sins) and begin to obey God. Here, the term does not specifically refer to initial repentance that must accompany true saving faith (Mark 1:15; Acts 3:19; 17:30; 26:20), but to a turning from sin in the life of a Christian.
leads to salvation. “Salvation” here means not initial conversion, but growth and progress in the Christian life. Ordinary Christian growth will include times of profound sorrow for remaining sin.
worldly grief. Regret and sorrow of different kinds that do not seek forgiveness in Christ.