Catechism of the Catholic Church

The spiritual effects of the sacrament of Penance are: - reconciliation with God by which the penitent recovers 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.