The Epistle of Barnabas
Barnabae epistula
Barnabas. The Apostolic Fathers with an English Translation In Two Volumes. Vol. I. Lake, Kirsopp, editor. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd. 1912.
κοινωνήσεις ἐν πᾶσιν τῷ πλησίον σου καὶ οὐκ ἐρεῖς ἴδια εἶναι· εἰ γὰρ ἐν τῷ ἀφθάρτῳ κοινωνοί ἐστε, πόσῳ μᾶλλον ἐν τοῖς φθαρτοῖς; οὐκ ἔσῃ πρόγλωσσος· παγὶς γὰρ τὸ στόμα θανάτου. ὅσον δύνασαι, ὑπὲρ τῆς ψυχῆς σου ἁγνεύσεις.