sentences:  Soon, however, the number of disciples who gathered around him necessitated the construction of adequate buildings, in which was instituted the monastic life, following the Rule of St. Benedict, and interpreted in a manner similar to the Cistercians.Rudolph, lord of Fougeres, confirmed to the monastery (1112) the grants he had formerly made to Vital, and from then dates the foundation of the monastery.Its growth was rapid, and Vital and Saint Aymon were canonized.