If thou hadst known the gift — The living water; and who it is — He who alone is able to give it: thou wouldst have asked of him — On those words the stress lies. Water — In like manner he draws the allegory from bread, John 6:27, and from light, John 8:12; the first, the most simple, necessary, common, and salutary things in nature. Living water — The Spirit and its fruits. But she might the more easily mistake his meaning, because living water was a common phrase among the Jews for spring water.
Related Commentaries of John 4:10
John 4:10
10 Jesus answered and said unto her,If thou knewest the gift of God, and who it is that saith to thee, Give me to drink; thou wouldest have asked of him, and he would have given thee living water.