KJV: But the Jews did not believe concerning him, that he had been blind, and received his sight, until they called the parents of him that had received his sight.
NASB: The Jews then did not believe it of him, that he had been blind and had received sight, until they called the parents of the very one who had received his sight,
KJV: But if I do, though ye believe not me, believe the works: that ye may know, and believe, that the Father is in me, and I in him.
NASB: but if I do them, though you do not believe Me, believe the works, so that you may know and understand that the Father is in Me, and I in the Father."