Anonymous saying of the Desert Fathers no. 48 (=BHG 1328g, de ponderatore). The anonymous sayings of the Desert Fathers: a select edition and complete English translation, ed. & trans. John Wortley (Cambridge: Cambridge University Press, 2013), 44-45.
This one is striking for its secularity. The saint does nothing overtly, and the city father (Εἷς . . . τῶν λαμπρῶν τῆς πόλεως) everything.