PROS KORINQIOUS B, chapter 7 111:

χωρὶσ τῶν παρεκτὸσ ἡ ἐπίστασίσ μοι ἡ καθ’ ἡμέραν, ἡ μέριμνα πασῶν τῶν ἐκκλησιῶν. τίσ ἀσθενεῖ, καὶ οὐκ ἀσθενῶ;