Barnabas, Epistle of Barnabas 11
Let us ask whether the Lord saw fit to reveal the meaning of the water and the cross. Concerning the water, Scripture addresses Israel: the baptism that brings forgiveness of sins will not be accepted, yet they will build for themselves. The prophet declares, "Be appalled, O heavens, and shudder, O earth, for this people has committed two evils: they have forsaken me, the spring of living water, and have dug their own cisterns, broken cisterns that hold no water" (Jeremiah 2:13). "Is my holy mountain Sinai a barren rock? You will become like fledglings fluttering away, torn from the nest." Again the prophet says, "I will go before you and level the mountains; I will shatter bronze gates and break iron bars. I will give you hidden, dark, unseen treasures, so that you may know that I am the Lord God" (Isaiah 45:2–3). Also: "You will dwell in a high cave of a strong rock." And: "His water is faithful; you will see the king in glory, and your soul will meditate on the fear of the Lord." In another prophet we read: "The one who does these things is like a tree planted by streams of water, which yields its fruit in season, whose leaf does not wither, and whatever he does prospers" (Psalm 1:3). The wicked are not so; they are like chaff the wind blows away. Therefore the wicked will not stand in the judgment, nor sinners in the assembly of the righteous, for the Lord knows the way of the righteous, but the way of the wicked perishes. Notice how the water and the cross are appointed for the same end. He says: "Blessed are those who, hoping in the cross, have gone down into the water." He adds that the reward comes in its own time: "Then, he says, I will repay." Now "the leaf will not wither" means this: every word that proceeds from your mouth in faith and love will become a means of repentance and hope for many. Another prophet says: "The land of Jacob was praised above all the earth" — meaning the vessel of his Spirit is glorified. Then: "A river flowed from the right, and beautiful trees grew from it; whoever eats of them will live forever." This signifies that we go down into the water full of sins and filth, and come up bearing fruit in our hearts — the fear and hope in Jesus, possessing the Spirit. "Whoever eats of these will live forever" means: whoever hears these words spoken and believes will live forever.
Greek
Ζητήσωμεν δέ, εἰ ἐμέλησεν τῷ κυρίῳ προφανερῶσαι περὶ τοῦ ὕδατος καὶ περὶ τοῦ σταυροῦ. περὶ μὲν τοῦ ὕδατος γέγραπται ἐπὶ τὸν Ἰσραήλ, πῶς τὸ βάπτισμα τὸ φέρον ἄφεσιν ἁμαρτιῶν οὐ μὴ προσδέξονται, ἀλλ’ ἑαυτοῖς οἰκοδομήσουσιν. λέγει γὰρ ὁ προφήτης: Ἔκστηθι οὐρανέ, καὶ ἐπὶ τούτῳ πλεῖον φριξάτω ἡ γῆ, ὅτι δύο καὶ πονηρὰ ἐποίησεν ὁ λαὸς οὗτος: ἐμὲ ἐγκατέλιπον, πηγὴν ζωῆς, καὶ ἑαυτοῖς ὤρυξαν βόθρον θανάτου. Μὴ πέτρα ἔρημός ἐστιν τὸ ὄρος τὸ ἅγιόν μου Σινᾶ; ἔσεσθε γὰρ ὡς πετεινοῦ νοσσοὶ ἀνιπτάμενοι νοσσιᾶς ἀφῃρημένοι. καὶ πάλιν λέγει ὁ προφήτης: Ἐγὼ πορεύσομαι ἔμπροσθέν σου καὶ ὄρη ὁμαλιῶ καὶ πύλας χαλκᾶς συντρίψω καὶ μοχλοὺς σιδηροῦς συγκλάσω, καὶ δώσω σοι θησαυροὺς σκοτεινούς, ἀποκρύφους, ἀοράτους, ἵνα γνῶσιν ὅτι ἐγὼ κύριος ὁ θεός. καί: Κατοικήσεις ἐν ὑψηλῷ σπηλαίῳ πέτρας ἰσχυρᾶς. καί: τὸ ὕδωρ αὐτοῦ πιστόν: βασιλέα μετὰ δόξης ὄψεσθε, καὶ ἡ ψυχὴ ὑμῶν μελετήσει φόβον κυρίου καὶ πάλιν ἐν ἄλλῳ προφήτῃ λέγει: Καὶ ἔσται ὁ ταῦτα ποιῶν ὡς τὸ ξύλον τὸ πεφυτευμένον παρὰ τὰς διεξόδους τῶν ὑδάτων, ὃ τὸν καρπὸν αὐτοῦ δώσει ἐν καιρῷ αὐτοῦ, καὶ τὸ φύλλον αὐτοῦ οὐκ ἀπορυήσεται, καὶ πάντα, ὅσα ἂν ποιῇ, κατευοδωθήσεται. οὐχ οὕτως οἱ ἀσεβεῖς, οὐχ οὕτως, ἀλλ’ ἢ ὡς ὁ χνοῦς, ὃν ἐκρίπτει ὁ ἄνεμος ἀπὸ προσώπου τῆς γῆς. διὰ τοῦτο οὐκ ἀναστήσονται ἀσεβεῖς ἐν κρίσει οὐδὲ ἁμαρτωλοὶ ἐν βουλῇ δικαίων, ὅτι γινώσκει κύριος ὁδὸν δικαίων, καὶ ὁδὸς ἀσεβῶν ἀπολεῖται. αἰσθάνεσθε, πῶς τὸ ὕδωρ καὶ τὸν σταυρὸν ἐπὶ τὸ αὐτὸ ὥρισεν. τοῦτο γὰρ λέγει: μακάριοι, οἲ ἐπὶ τὸν σταυρὸν ἐλπίσαντες κατέβησαν εἰς τὸ ὕδωρ, ὅτι τὸν μὲν μισθὸν λέγει ἐν καιρῷ αὐτοῦ: τότε, φησίν, ἀποδώσω. νῦν δὲ ὅ λέγει: τὰ φύλλα οὐκ ἀπορυήσεται, τοῦτο λέγει: ὅτι πᾶν ῥῆμα, ὃ ἐὰν ἐξελεύσεται ἐξ ὑμῶν διὰ τοῦ στόματος ὑμῶν ἐν πίστει καὶ ἀγάπῃ, ἔσται εἰς ἐπιστροφὴν καὶ ἐλπίδα πολλοῖς. καὶ πάλιν ἕτερος προφήτης λέγει. Καὶ ἦν ἡ γῆ τοῦ Ἰακὼβ ἐπαινουμένη παρὰ πᾶσαν τὴν γῆν. τοῦτο λέγει: τὸ σκεῦος τοῦ πνεύματος αὐτοῦ δοξάζει. εἶτα τί λέγει; Καὶ ἦν ποταμὸς ἕλκων ἐκ δεξιῶν, καὶ ἀνέβαινεν ἐξ αὐτοῦ δένδρα ὡραῖα: καὶ ὃς ἂν φάγῃ ἐξ αὐτῶν, ζήσεται εἰς τὸν αἰῶνα. τοῦτο λέγει ὅτι ἡμεῖς μὲν καταβαίνομεν εἰς τὸ ὕδωρ γέμοντες ἁμαρτιῶν καὶ ῥύπου, καὶ ἀναβαίνομεν καρποφοροῦντες ἐν τῇ καρδίᾳ τὸν φόβον καὶ τὴν ἐλπίδα εἰς τὸν Ἰησοῦν ἐν τῷ πνεύματι ἔχοντες. Καὶ ὃς ἂν φάγῃ ἀπὸ τούτων, ζήσεται εἰς τὸν αἰῶνα, τοῦτο λέγει: ὃς ἄν, φησίν, ἀκούσῃ τούτων λαλουμένων καὶ πιστεύσῃ, ζήσεται εἰς τὸν αἰῶνα.