John 12:39

For this reason they could not believe, because Isaiah said again:

John 5:44

How can you believe who receive honor one from another, and seek not the honor that comes from God alone?

John 6:44

no man can come to me, unless the Father, who sent me, draw him; and I will raise him up at the last day.

John 10:38

but if I do, though you believe not me, believe the works, that you may know and believe that the Father is in me, and I in him.

2 Peter 2:14

having eyes that are full of the adulteress, and that can not cease from sin, deceiving unstable souls, having a heart exercised in covetousness, accursed children,

Treasury of Scripture Knowledge

Summary

Therefore they could not believe, because that Esaias said again,

General references

Bible References

They

John 5:44
How can you believe who receive honor one from another, and seek not the honor that comes from God alone?
John 6:44
no man can come to me, unless the Father, who sent me, draw him; and I will raise him up at the last day.
John 10:38
but if I do, though you believe not me, believe the works, that you may know and believe that the Father is in me, and I in him.
2 Peter 2:14
having eyes that are full of the adulteress, and that can not cease from sin, deceiving unstable souls, having a heart exercised in covetousness, accursed children,

General references

John 1:5
And the light shines in the darkness, and the darkness comprehends it not.
John 9:18
The Jews did not, therefore, believe concerning him, that he had been blind, and had received his sight, till they called the parents of him that had received his sight,
John 10:37
If I do not the works of my Father, believe me not;