if thou hadst known) Ignorance is a hindrance; but the disclosure of her ignorance shows the compassion of the Lord, and kindled a longing desire in the woman’s heart. ... gift) The gift is the living water. ... who it is) He speaks in the third person, modestly. It is the prerogative of Him, who saith this, to give the living water. Subsequently He discloses, who it is ; ver. 26. ... thou wouldest ask—and He would give: or rather, thou wouldest have asked, and He would have given, i.e., not only would you not wonder at my asking, but even you of your own accord would have asked of Me. ... The Lord then saith, Thou wouldest have asked from Me, before that I said to thee, Give Me to drink. And, He had said, Give Me to drink, that, conversely, the woman might learn to ask from Himself the living water. ... water) In a similar way Jesus takes an allegory from bread, ch. vi. 27, etc. [Having fed 5000 with a few loaves, and being therefore followed by the crowd, He proceeds, “ Labour not for the meat that perisheth, but for that meat, which endureth unto everlasting life, which the Son of Man shall give unto you,”] etc. : and from light, ch. viii. 12 “I am the light of the world:” [an image suggested perhaps by the sun then rising: comp. ver. 2], “early in the morning”: which things are in nature the first, the most elementary, necessary, common to all and salutary. ... which is living, and thence life-imparting ; ver. 14; “The water that I shall give him, shall be in him a well of water springing up into everlasting life:” ch. vii. 38; “He that believeth on Me, as the Scripture hath said, out of his belly shall flow rivers of water.”