Charles Spurgeon Commentary John 4:21-22

"Jesus saith unto her, Woman, believe me, the hour cometh, when neither in this mountain, nor in Jerusalem, shall ye worship the Father. Ye worship that which ye know not: we worship that which we know; for salvation is from the Jews." — John 4:21-22 (ASV)

The hour is coming, when you will neither in this mountain, nor yet at Jerusalem worship the Father. You worship what you do not know: we know what we worship: for salvation is from the Jews.

They have the oracles of God. The Savior comes from the Jews.

They are right as far as they follow the instruction they have received; and you Samaritans are wrong in keeping to the law of Moses alone, and rejecting the rest of the Scriptures.