Deut. 29:4
Yet the Lord hath not given you an heart to perceive, and eyes to see, and ears to hear, unto this day.
Ezekiel 12:2
Son of man, thou dwellest in the midst of a rebellious house, which have eyes to see, and see not; they have ears to hear, and hear not: for they are a rebellious house.
Matthew 11:15
He that hath ears to hear, let him hear.
Matthew 13:13-14
Therefore speak I to them in parables: because they seeing see not; and hearing they hear not, neither do they understand. [14] And in them is fulfilled the prophecy of Esaias, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive:
Mark 4:12
That seeing they may see, and not perceive; and hearing they may hear, and not understand; lest at any time they should be converted, and their sins should be forgiven them.