126 We have another recommendation also, and We are sure that it will be warmly received. We wish these sufferings of mind and body not only to be steps in the sufferer's ascent to his eternal fatherland, but also to contribute greatly to the expiation of others, to the return to the Church of those who unfortunately are separated from her, and to the long-desired triumph of Christianity.
Source: Ad Petri Cathedram (Vatican.va)