The fruits of this sacrament are:
Reconciliation with God: the penitent recovers sanctifying grace.
Reconciliation with the Church.
Remission of the eternal punishment incurred by mortal sins.
Remission, at least in part, of temporal punishments resulting from sin.
Peace and serenity of conscience, and spiritual consolation.
An increase of spiritual strength for the Christian battle.
Sacrament of Reconciliation (Penance) in Sacred Scripture
God Forgives Sin.
Mk 2:7. Lk 5:21.
Christ has Power to Forgive Sin.
Mt 9:6. Mk 2:10. Lk 5:24. Col 3:13.
Confession Instituted by Christ.
Jn 20:22-23.
Forgiveness is Through Christ.
2 Cor 2:10.
Is for Reconciliation with Christ.
2 Cor 5:18.
Reconciliation is From Christ.
Rom 5:11. Col 1:20. Heb 1:3.
Power is Delegated by Christ.
Jn 20:23. 2 Cor 5:18.
Degrees of Sin.
1 Jn 5:16.