John 4:41,42

And many more believed “This was the more extraordinary, as they not only had a national prejudice against him as a Jew, but, living near mount Gerizim, had a particular interest in maintaining the usual worship there; which must have been very advantageous to the neighbourhood. Perhaps on this they would no longer worship there, which might irritate the rest of the Samaritans, and in part provoke the ill usage that Christ afterward met with in this country. Luke 9:52.” Doddridge. Because of his own word Which commended itself to their reason and consciences, as certainly true, and infinitely important. And said unto the woman, Now we believe, not because of thy saying Not chiefly on account of it; for we have heard him ourselves Have heard such excellent and divine truths from him, accompanied with such commanding power and evidence, that we are abundantly satisfied, that this is indeed the Christ, the expected Messiah; the Saviour of the world And not of the Jewish nation only. The Samaritans might probably collect, from what was prophesied by Jacob of the Messiah, Genesis 49:10, to him shall the gathering of the people be, that the Gentile nations were to receive some benefit by his coming, and one way or another to be subjected to him; and Christ's discourse might confirm that apprehension. But there is no reason at all to believe they perfectly understood the doctrine of the calling of the idolatrous Gentiles, which was so long a mystery even to the apostles themselves. Thus was the seed of the gospel sown in Samaria. What effect there was of this afterward doth not appear; but we find that four or five years after, when Philip preached the gospel in Samaria, he found so much blessed remains of this good work now wrought, that the people, with one accord, gave heed to those things which Philip spoke, Acts 8:5; but as some were easily influenced to good now, so were others to evil afterward, when Simon Magus bewitched many with his sorceries, John 4:9.