John 12:40
He hath blinded their eyes and make their hearts hard, Lest they should see with their eyes, perceive with their minds, And should turn, and I should heal them.
Acts 28:26
"Go to the people and tell them, You will hear and hear, and by no means understand; And will look, and by no means see.
Romans 11:8
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.
Matthew 13:13-15
"This is why I speak to them in parables, because seeing they do not see, and hearing they do not hear, nor do they understand.
Mark 8:18
Are your minds so slow to comprehend? You have eyes, do you not see? You have ears, do you not hear?