John 6:53

εἶπεν οὖν αὐτοῖς ὁ Ἰησοῦς ἀμὴν ἀμὴν λέγω ὑμῖν ἐὰν μὴ φάγητε τὴν σάρκα τοῦ υἱοῦ τοῦ ἀνθρώπου καὶ πίητε αὐτοῦ τὸ αἷμα οὐκ ἔχετε ζωὴν ἐν ἑαυτοῖς