Mark 8:18
Having eyes, do you not see? having ears, do you not hear? and do you not remember?
Mark 4:12
in order that seeing they may see, and not know; and hearing they may hear, and not understand; lest they may turn, and their sins may he forgiven unto them.
Matthew 13:14-15
And the prophecy of Isaiah is fulfilled unto them, saying, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive.
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 28:26-27
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.
2 Peter 1:12
Therefore I will be about to always remind you concerning these things, even though knowing them, and being established in the present truth.