but whoever drinks of the water that I will give him will never be thirsty again. The water that I will give him will become in him a spring of water welling up to eternal life.”
We have here an account of the good Christ did in Samaria, when he passed through that country in his way to Galilee. The Samaritans, both in blood and religion, were mongrel Jews, the posterity of those colonies which the king of Assyria planted there after the captivity of the ten tribes, with whom the poor of the land that were left behind, and many other Jews afterwards, incorporated themselves.
Commenting on John 4:4-26
But whosoever drinketh of the water that I shall give him,.... Meaning, the Spirit and his grace; see Joh 7:38; and which he more than once speaks of, as his gift here, and in the context: of which, whoever truly partakes, shall never thirst; either after sinful lusts and pleasures, and his former vicious way of living, which he now disrelishes: not but there are...
Verse 14. The water that I shall give him. Jesus here refers, without doubt, to his own teaching, his grace, his spirit, and to the benefits which come into the soul that embraces his gospel. It is a striking image, and especially in Eastern countries, where there are vast deserts, and often a great want of water.