John the Apostle
John 4:24BSB·traditional attribution

God is Spirit, and His worshipers must worship Him in spirit and in truth.”

John Calvin Reformed

24. God is a Spirit. This is a confirmation drawn from the very nature of God. Since men are flesh, we ought not to wonder, if they take delight in those things which correspond to their own disposition. Hence it arises, that they contrive many things in the worship of God which are full of display, but have no solidity.

Matthew Henry Presbyterian

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

John Gill Reformed Baptist

God is a spirit,.... Or "the Spirit is God"; a divine person, possessed of all divine perfections, as appears from his names, works, and worship ascribed unto him; See Gill on Joh 4:23; though the Arabic and Persic versions, and others, read as we do, "God is a spirit"; that is, God, Father, Son, and Holy Ghost: for taking the words in this light, not...