The Gospels show how important is the forgiveness of our sins. Lives of saints prove that the person who grows in holiness has a stronger sense of sin, sorrow for sins, and a need for the Sacrament of Penance or Confession. The Differences in Sins As a result of Original Sin, human nature is weakened. Baptism, by imparting the life of Christ's grace, takes away Original Sin, and turns us back toward God. The consequences of this weakness and the inclination to evil persist, and we often commit personal or actual sin.
Actual sin is sin which people commit.
There are two kinds of actual sin, mortal and venial. Mortal sin is a deadly offense against God, so horrible that it destroys the life of grace in the soul. As you listen to the words of forgiveness you may make the sign of the cross with the priest. After Confession Give thanks to God for forgiving you again. If you recall some serious sin you forgot to tell, rest assured that it has been forgiven with the others, but be sure to confess it in your next Confession.