Subject is exactly Sangnier, Marc
Marc Sangnier, founder of the French Sillon movement, reports on his trip to Brussels where he was welcomed by Cardijn.
Cardijn recalls the Jeunesse Sociale Chrétienne or Christian Social Youth movement that he created for university students, which later morphed into the JUC.
Cardijn recalls his childhood in Halle, his seminary days, his time as a student at Louvain, including his study trips to Germany and France
This is Cardijn's emotional speech of welcome to Marc Sangnier, the founder of the French democratic movement, Le Sillon.