For the sorrow that is according to the will of God produces a repentance without regret, leading to salvation, but the sorrow of the world produces death.
For the kind of sorrow God wants us to experience leads us away from sin and results in salvation. There’s no regret for that kind of sorrow. But worldly sorrow, which lacks repentance, results in spiritual death.
Jesus said to her, “I am the resurrection and the life; the one who believes in Me will live, even if he dies, and everyone who lives and believes in Me will never die. Do you believe this?”