John 12:39
"Therefore they could not believe, because that Esaias said again,"
Cross References (ranked by relevance)
John 5:44
How can ye believe, which receive honour one of another, and seek not the honour that cometh from God only?
2 Peter 2:14
Having eyes full of adultery, and that cannot cease from sin; beguiling unstable souls: an heart they have exercised with covetous practices; cursed children:
John 10:38
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.
John 6:44
No man can come to me, except the Father which hath sent me draw him: and I will raise him up at the last day.