IV. The Gravity of Sin: Mortal and Venial Sin

From The Catechism of the Catholic Church

1856
Mortal sin, by attacking the vital principle within us – that is, charity –
necessitates a new initiative of God’s mercy and a conversion of heart which is
normally accomplished within the setting of the sacrament of reconciliation:

PART THREE: LIFE IN CHRIST

SECTION ONE MAN’S VOCATION LIFE IN THE SPIRIT
- CHAPTER ONE THE DIGNITY OF THE HUMAN PERSON
  - Article 8 SIN
    - IV. The Gravity of Sin: Mortal and Venial Sin

From The Catechism of the Catholic Church – rosary.team