28 Then, “The woman says unto Him, I know that Messias will come, who is called Christ: when He then has come, He will tell us all things. Jesus says unto her, I that speak with you am He.” She called her husband; he is made the head of the woman, and Christ is made the head of the man. Now is the woman constituted in faith, and ruled, as about to live rightly. After she heard this, “I that speak with you am He,” what further could she say, when the Lord Jesus willed to manifest Himself to the woman, to whom He had said, “Believe me?”
Source: Tractates on the Gospel of John (New Advent)