Isaiah 6:9

And he will say, Go, and say to this people, Hearing, hear ye, and ye shall not understand; and seeing, see ye, and ye shall not know.

Mark 4:12

That seeing they might see, and not know; and hearing they might hear, and not understand; lest they turn back, and their sins be remitted to them.

Luke 8:10

And he said, To you it has been given to know the mysteries of the kingdom of God: and to the rest in parables; that seeing they might not see, and hearing they might not understand.

Matthew 13:14-15

And the prophecy of Esaias is filled up in them, saying, In hearing shall ye hear, and not understand; and seeing ye shall see, and not perceive.

Romans 11:8

(As has been written, God gave them the spirit of mortal pain, eyes not to see, and earn not to hear;) even to this day.

Isaiah 43:8

Bring forth the blind people, and there are eyes; and the deaf, and ears to them.

John 12:40

He has blinded their eyes, and hardened their heart: lest they see with the eyes, and understand with the heart, and should turn back, and I should heal them.

Acts 28:26-27

Saying, Go to this people, and say, By hearing ye shall hear, and not understand; and seeing ye shall see, and ye should not perceive:

Exodus 32:7-10

And Jehovah will speak to Moses, Go, descend: for thy people were corrupted whom thou didst bring up out of the land of Egypt

Isaiah 29:13

And Jehovah will say, Because that this people drew near with their month, and honored me with their lips, and their heart was far from me, and their fear towards me shall be taught from the command of men.

Isaiah 30:8-11

Now go, write it to them upon a tablet, and engrave it upon a book, and it shall be for the latter day, forever even forever.

Isaiah 44:18-20

They will not know, and they will not discern: he spread over their eyes from seeing; their heart from considering.

Jeremiah 15:1-2

And Jehovah will say to me, If Moses shall stand, and Samuel, before my face, my soul not to this people: casting from my face they shall go forth.

Hosea 1:9

And he will say; Call his name, Not my people: for ye are not my people, and I will not be to you.

Treasury of Scripture Knowledge

Summary

And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.

Bible References

Hear ye

Isaiah 43:8
Bring forth the blind people, and there are eyes; and the deaf, and ears to them.
Isaiah 44:18
They will not know, and they will not discern: he spread over their eyes from seeing; their heart from considering.
Matthew 13:14
And the prophecy of Esaias is filled up in them, saying, In hearing shall ye hear, and not understand; and seeing ye shall see, and not perceive.
Mark 4:12
That seeing they might see, and not know; and hearing they might hear, and not understand; lest they turn back, and their sins be remitted to them.
Luke 8:10
And he said, To you it has been given to know the mysteries of the kingdom of God: and to the rest in parables; that seeing they might not see, and hearing they might not understand.
John 12:40
He has blinded their eyes, and hardened their heart: lest they see with the eyes, and understand with the heart, and should turn back, and I should heal them.
Acts 28:26
Saying, Go to this people, and say, By hearing ye shall hear, and not understand; and seeing ye shall see, and ye should not perceive:
Romans 11:8
(As has been written, God gave them the spirit of mortal pain, eyes not to see, and earn not to hear;) even to this day.

General references

Exodus 10:20
And Jehovah will bind fast the heart of Pharaoh, and he sent not forth the sons of Israel.
Deuteronomy 28:28
Jehovah will strike thee with madness and with blindness and with astonishment of heart;
Deuteronomy 29:4
And Jehovah gave not to you an heart to know, and eyes to see, and ears to hear, even to this day.
Isaiah 43:8
Bring forth the blind people, and there are eyes; and the deaf, and ears to them.
John 8:27
They knew not that he spake to them of the Father.