John 8:58

58 Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.
εἶπεν αὐτοῖς ὁ Ἰησοῦς Ἀμὴν ἀμὴν λέγω ὑμῖν πρὶν Ἀβραὰμ γενέσθαι ἐγὼ εἰμί