In 1726 he entered the Congregation of Missions as a novice, and became a priest in 1726.
Over a period of a week, the tactics had gone from infantile to novice to advanced, as if someone were learning the intricacies of battle planning.
When eleven years old he was entered as a novice in the Norman monastery of St Evroul en Ouche, which Earl Roger had formerly persecuted but, in his later years, was loading with gifts.
The novice is classified according as his destination is the priesthood or lay brotherhood, while a third class of "indifferents" receives such as are reserved for further inquiry before a decision of this kind a strict retreat, practically in solitary confinement, during which he receives from a director, yet relying on Thine infinite kindness and mercy and impelled by the desire of serving Thee, before the Most Holy Virgin Mary and all Thy heavenly host, I, N., vow to Thy divine Majesty Poverty, Chastity and Perpetual Obedience to the Society of Jesus, and promise that I will enter the same Society to live in it perpetually, understanding all things according to the Constitutions of the Society.
He was educated at the Dominican gymnasium of his native town, and in 1790 entered, as a novice, the Benedictine abbey of Marienmiinster, in the bishopric of Paderborn.