Jesus answered her, "If you knew the gift of God, and who it is who says to you, 'Give me a drink,' you would have asked him, and he would have given you living water."

 The well itself was more than 100 feet deep. It is not a springing well of water; it is a wet into which the water percolates and gathers. But clearly it was a well so deep that no one could gain water from it unless he had something with which to draw the water. 