Event Factoid:
Sworn to secrecy by Zacharias,
John of Ephesus did not reveal his ascetic practices to others until after the saint had died.
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: 272.