KJV: And said unto the woman, Now we believe, not because of thy saying: for we have heard him ourselves, and know that this is indeed the Christ, the Saviour of the world.
NASB: and they were saying to the woman, "It is no longer because of what you said that we believe, for we have heard for ourselves and know that this One is indeed the Savior of the world."
KJV: And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? how is it then that he saith, I came down from heaven?
NASB: They were saying, "Is not this Jesus, the son of Joseph, whose father and mother we know? How does He now say, 'I have come down out of heaven '?"
KJV: But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.
NASB: "But there are some of you who do not believe." For Jesus knew from the beginning who they were who did not believe, and who it was that would betray Him.