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10ὁ πιστεύων εἰς τὸν υἱὸν τοῦ Θεοῦ ἔχει τὴν μαρτυρίαν ἐν ἑαυτῷ· ὁ μὴ πιστεύων τῷ Θεῷ, ψεύστην πεποίηκεν αὐτόν, ὅτι οὐ πεπίστευκεν εἰς τὴν μαρτυρίαν, ἣν μεμαρτύρηκεν ὁ Θεὸς περὶ τοῦ υἱοῦ αὐτοῦ.

11καὶ αὕτη ἐστὶν ἡ μαρτυρία, ὅτι ζωὴν αἰώνιον ἔδωκεν ἡμῖν ὁ Θεός, καὶ αὕτη ἡ ζωὴ ἐν τῷ υἱῷ αὐτοῦ ἐστιν.

12ὁ ἔχων τὸν υἱὸν, ἔχει τὴν ζωήν· ὁ μὴ ἔχων τὸν υἱὸν τοῦ Θεοῦ τὴν ζωὴν οὐκ ἔχει.