John 12:40
He hath blinded their eyes, and hardened their heart; in order that they may not see with their eyes, nor understand with their heart, and turn, and I shall heal them.
Acts 28:26
Go to this people, and say, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive:
Romans 11:8
as has been written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.
Matthew 13:13-15
Therefore I speak to them in parables; because seeing they see not, and hearing they hear not, neither do they understand.
Mark 8:18
Having eyes, do you not see? having ears, do you not hear? and do you not remember?