". . . one of the Fathers bids that, as a result of just being seated unoccupied in one's cell, sitting there without any work and just guarding the walls for the sake of the name of Christ, one should have great hope. . . ."
St. Isaac the Syrian, "Concerning aspects of the way of stillness," =chap. 1 of the long-lost Second Part of the Writings, trans. Sebastian Brock. Sebastian Brock, "St Isaac the Syrian: two unpublished texts," Sobornost 19, no. 1 (1997): 19 (7-32). "Abba Sarmata in Budge, The Book of Paradise, i. 593 (no.9)", according to Brock.