For those who have tasted of the Savior, the Object of desire is present. From the beginning human desire was made to be gauged and measured by the desire for Him, and is a treasury so great, so ample, that it is able to encompass even God. Thus there is no satisfaction, nothing stills the desire, even if men attain to all the excellent things in life, for we still thirst as though we had none of the things for which we long. The thirst of human souls needs, as it were, an infinite water; how then could this limited world suffice?
This is what the Lord hinted when He said to the Samaritan woman, “he who drinks of this water will thirst again, but whoever drinks of the water that I shall give him will never thirst’ (Jn. 4:13-14). This is the water that slakes the thirst of human souls, for it says, “when I behold Thy glory I shall be satisfied with it” (Ps. 17:15 LXX). The eye was capable of perceiving light, the ear for sound, and each member for its appropriate end; the desire of the soul has for its object Christ alone.
Gospel of the Samaritan Woman: John 4:5-42