Ellicott's Commentary for English Readers - John 4:14
(14) The water that I shall give him.—These words are emphatic as opposed to this water. It is not an external supply, which must be sought to meet the recurring physical want, but it is the inner never-failing source, the fountain of living water, which satisfies every want as it occurs. He who has it, therefore, can never thirst. Coming from the source of all life, it issues in eternal life. (Comp. Notes on John 7:37-38.) read more
Ellicott's Commentary for English Readers - John 4:13-14
(13, 14) Whosoever drinketh of this water.—Jesus does not answer her question, but asserts the universal recurrence of thirst, after even the water of Jacob’s well, to lead her to the thought that His “living water” is something widely different. read more