Paenitentiam agere ("Penance for sins") was the seventh encyclical made by Pope John XXIII, and was issued on 1 July 1962.
Contents
The encyclical calls on Christians to practice penance, including mortification of the flesh.
It also considers the upcoming Second Vatican Council as a reason for such preparation by the faithful.
See also List of encyclicals of Pope John XXIII
References
External links Source text from the Holy See.