Isaiah 6:9 ¶And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.

Isaiah 6:10 Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.

Isaiah 44:18 They have not known nor understood: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.

Jeremiah 5:21 Hear now this, O foolish people, and without understanding; which have eyes, and see not; which have ears, and hear not:

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.

Mark 4:13 And he said unto them, Know ye not this parable? and how then will ye know all parables?

Luke 8:10 And he said, Unto you it is given to know the mysteries of the kingdom of God: but to others in parables; that seeing they might not see, and hearing they might not understand.

John 12:40 He hath blinded their eyes, and hardened their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them.

Acts 28:26 Saying, Go unto this people, and say, Hearing ye shall hear, and shall not understand; and seeing ye shall see, and not perceive:

Acts 28:27 For the heart of this people is waxed gross, and their ears are dull of hearing, and their eyes have they closed; lest they should see with their eyes, and hear with their ears, and understand with their heart, and should be converted, and I should heal them.

Romans 11:8 (According as it is written, God hath given them the spirit of slumber, eyes that they should not see, and ears that they should not hear;) unto this day.

Deuteronomy 29:4 Yet the LORD hath not given you an heart to perceive, and eyes to see, and ears to hear, unto this day.

2 Corinthians 3:14 But their minds were blinded: for until this day remaineth the same vail untaken away in the reading of the old testament; which vail is done away in Christ.

2 Corinthians 3:15 But even unto this day, when Moses is read, the vail is upon their heart.

2 Corinthians 4:3 But if our gospel be hid, it is hid to them that are lost:

2 Corinthians 4:4 In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.

2 Corinthians 2:16 To the one we are the savour of death unto death; and to the other the savour of life unto life. And who is sufficient for these things?

1 Corinthians 2:14 But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.

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.

Ephesians 4:18 Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

Hebrews 5:11 Of whom we have many things to say, and hard to be uttered, seeing ye are dull of hearing.