Matthew 13:13-14
This is why I am speaking to them in stories, because they look but do not see, they listen but do not really hear or understand.
Mark 4:12
'They may look and look and yet not see, And listen and listen and yet not understand, Lest, perchance, they should turn and be forgiven.'"
Luke 8:10
So He said, "You are granted the privilege of knowing the secrets of the kingdom of God, but to others they are told in stories, so that they may look and not see, may hear and not understand.
John 9:39-41
Then Jesus said, "I have come into this world to judge people, so that those who do not see may see, and those who do see may become blind."
John 12:40
"He has blinded their eyes and benumbed their hearts, so that they cannot see with their eyes and understand with their hearts, and turn to me to cure them."
Mark 8:17-18
And as He noticed it He said to them, "Why are you discussing the fact that you have no bread? Do you not yet know nor understand? Are your minds so dull?
Acts 7:51-52
"You people, stubborn in will, heathenish in hearts and ears, you are always resisting the Holy Spirit, as your forefathers did, too.
Acts 28:26-27
'Go to this people and say to them, "You will listen, and listen, and never understand, and you will look, and look, and never see!
Romans 11:7-8
What are we then to conclude? Israel has failed to obtain what it is still in search for, but His chosen ones have obtained it. The rest have become insensible to it,
2 Corinthians 3:14
Besides, their minds were made dull; for to this day that same veil remains unlifted, whenever they read the Old Covenant; because it is only through union with Christ that it is removed.
2 Corinthians 4:3-4
If the meaning of the good news I preach is covered up at all, it is so only in the case of those who are on the way to destruction.
Ephesians 4:18
with darkened understanding, estranged from the life of God because of the ignorance that exists among them and because of the stubbornness of their hearts;
2 Thessalonians 2:10-11
and with a completely wicked deception for men who are on the way to destruction, because they refused to love the truth so as to be saved.