Romains 15:17-18

17ἔχω οὖν καύχησιν ἐν Χριστῷ Ἰησοῦ τὰ πρὸς Θεόν

18οὐ γὰρ τολμήσω λαλεῖν τι ὧν οὐ κατειργάσατο Χριστὸς δι’ ἐμοῦ, εἰς ὑπακοὴν ἐθνῶν, λόγῳ καὶ ἔργῳ,