Parallel
John 13:19
Nestle 1904 Greek New Testament · Berean Standard Bible
ἀπ’ ἄρτι λέγω ὑμῖν πρὸ τοῦ γενέσθαι ἵνα πιστεύσητε ὅταν γένηται ὅτι ἐγώ εἰμι
I am telling you now before it happens, so that when it comes to pass, you will believe that I am He.