What the Catechism of the Catholic Church says on "Purgatory:"
1031. "The Church gives the name Purgatory to this final purification of the elect, which is entirely different from the punishment of the damned. [Cf. Council of
1472. "To understand this doctrine and practice of the Church, it is necessary to understand that sin has a double consequence. Grave sin deprives us of communion with God and therefore makes us incapable of eternal life, the privation of which is called the 'eternal punishment' of sin. On the other hand every sin, even venial, entails an unhealthy attachment to creatures, which must be purified either here on earth, or after death in the state called Purgatory. This purification frees one from what is called the 'temporal punishment' of sin. These two punishments must not be conceived of as a kind of vengeance inflicted by God from without, but as following from the very nature of sin. A conversion which proceeds from a fervent charity can attain the complete purification of the sinner in such a way that no punishment would remain. [Cf. Council of
Printed with permission from Catholic Defense.