John 13:19

19Fromἀπ’this timeἄρτιI am tellingλέγωyouὑμῖνbeforeπρὸτοῦit comes to passγενέσθαι,so thatἵναbelieveπιστεύσητεwhenὅτανit comes to passγένηταιthatὅτιIἐγώam [He]εἰμι.

I am telling you⁺ from this time, before it comes to pass, so that when it comes to pass you⁺ should believe that I am [He].