He preached popular missions and spread veneration of Our Lady wherever he went.
In France, where the majority still remains, the Eudists continue to preach missions and to take part in various other works.
He preached missions among the Protestants of Languedoc for three years.
As a priest he preached missions and also taught in various schools.
From 1867 to 1872 he was occupied in preaching missions.
Mosques are used to assist the tablighi activities of individual jamaats that voluntarily undertake preaching missions.
He considered various options, even that of becoming a hermit, but the conviction that he was called to "preach missions to the poor" increased.
He was constantly occupied in preaching missions, always traveling on foot between one and another.
Traditionally, their main apostolate has been preaching missions and retreats.
With Neumann, he also dedicated himself to preaching missions.