John 12:40
He has blinded their eyes, and hardened their heart, lest they should see with their eyes, and understand with their heart, and should turn, and I should give them health.
Acts 28:26
saying: Go to this people and say, You shall surely hear, but you will not understand; and you shall surely see, but you will not perceive.
Romans 11:8
as it is written: God has given them a spirit of stupor, eyes with which they can not see, and ears with which they can not hear.
Matthew 13:13-15
For this reason I speak to them in parables; because when they see, they see not; and when they hear, they hear not, nor do they understand.
Mark 8:18
Having eyes, do you not see? and having ears, do you not hear? and do you not remember?