967. When the evil are being punished, angels are always present who moderate the punishment and alleviate the sufferings of those poor wretches. They cannot however take away the sufferings. In the next life all things are counterbalanced in such a way that evil punishes itself, and if it were not removed by means of punishments such persons could not be confined for ever in any one particular hell; for if not so confined and punished they would infest the communities of the good and do violence to that order established by the Lord on which the safety of the whole world depends.