A.T. Robertson Commentary John 4:26

"Jesus saith unto her, I that speak unto thee am [he]." — John 4:26 (ASV)

I that speak unto thee am he (Εγω ειμ ο λαλων σο). "I am he, the one speaking to thee." In plain language Jesus now declares that he is the Messiah as he does to the blind man (John 9:37).