Matthew 12:34
"You generation of vipers! How can you speak good, when you are evil? For the mouth speaks what the heart is full of. "When the time of fruit drew near, he sent his slaves to the vine-dressers seized to get his fruit.
Matthew 13:14-15
And in them is being fulfilled that prophecy of Isaiah which says. "Hearing you will hear and not understand; Seeing you will see and not perceive;
John 5:44
"How can you believe when you receive glory from, one another, and have no desire for the glory which comes from the only God?
John 8:43
"How is it that you do not understand what I say? It is because you cannot listen to my message.
John 12:39-40
This was why they could not believe, because Isaiah said again.
Acts 14:16
In bygone generations he allowed all the nations to walk in their own ways,
Romans 1:21-23
For although they knew God, yet they did not glorify him as God, nor give him thanks; but became vain in their reasoning, and their senseless minds were darkened.
Romans 1:28
And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.
Romans 11:8-10
According as it is written, God has given them a spirit of slumber, Eyes that they should not see, Ears that they should not hear, unto this day.
2 Corinthians 4:3-4
But even if my gospel, too, is "veiled," it is among those who are on the way to perish that it is "veiled."
2 Thessalonians 2:9-12
even he whose coming is according to the energy of Satan, in every power and sign and lying wonder,
2 Peter 2:14
They have eyes full of harlots, eyes that cannot stop sinning. They entice unsteady souls. Their heart is trained in greed. They are an accursed generation.