Event Factoid: After twenty years, Sergius received permission from Simeon to leave the
monastery and shut himself up in a certain place close to the village.
Sources:
E. W Brooks, trans.,Lives of the Eastern Saints I,Patrologia Orientalis 17.1 (1923), https://archive.org/stream/patrologiaorient17pariuoft#page/n7/mode/2up, p: 90-91.