Matthew 12:34
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
Matthew 13:14-15
And in them is fulfilled the prophecy of Isaiah, which saith, "Ye will hear indeed, and not understand; and ye will see indeed, and not perceive.
John 5:44
How can ye believe while ye receive honor from one another, and seek not the honor that is from him who alone is God?
John 8:43
Why do ye not understand my language? It is because ye cannot listen to my word.
John 12:39-40
For this cause they could not believe, because Isaiah said again,
Acts 14:16
who in the ages past suffered all the nations to walk in their own ways;
Romans 1:21-23
Because though they knew God, they did not glorify him as God, nor were they thankful to him; but became perverse in their reasonings, and their senseless minds were darkened;
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are shameful;
Romans 11:8-10
as it is written: "God gave them a spirit of slumber, eyes that were not to see, and ears that were not to hear, unto this day."
2 Corinthians 4:3-4
But if our gospel is veiled, it is veiled to them that perish,
2 Thessalonians 2:9-12
[he,] whose coming is after the working of Satan with all power, and signs, and wonders of falsehood,
2 Peter 2:14
having eyes full of an adulteress, and that cannot cease from sin, alluring unstable souls, having a heart exercised in covetousness, children of a curse,