Part III. On the Effects of the Act of Doing Penance

After we have explained that the act of doing penance is necessary for the remission of any sin whatever, or, in other words, that sins are not remitted without penance, it must be seen whether and to what extent the very act of doing penance remits sins, both mortal and venial; likewise whether and to what extent it produces other effects, for example the remission of remaining temporal punishment, etc. For the sake of completeness and clarity, we shall treat the individual effects in distinct sections, and we shall explain all the things which regard each effect.