Nathanael said to him, "How do you know me?" Jesus answered him, "Before Philip called you, when you were under the fig tree, I saw you."
Now, the prophecy said that Elijah would first come and turn the hearts of the children to the fathers before the coming of the great day of the Lord. And so, "Are you Elijah?" The Jews even to the present day at their Passover services, in their home at their Passover celebrations, have the chair, the empty chair. The door is open, waiting for Elijah. "Are you Elijah, forerunner of the Messiah?"