Isaiah 6:9

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

Mark 4:12

that seeing they may see, and not perceive; and hearing they may hear, and not understand; lest haply they should turn again, and it should be forgiven them.

Luke 8:10

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

Matthew 13:14-15

And unto them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive:

Romans 11:8

according as it is written, God gave them a spirit of stupor, eyes that they should not see, and ears that they should not hear, unto this very day.

Isaiah 43:8

Bring forth the blind people that have eyes, and the deaf that have ears.

John 12:40

He hath blinded their eyes, and he hardened their heart; Lest they should see with their eyes, and perceive with their heart, And should turn, And I should heal them.

Acts 28:26-27

saying, Go thou unto this people, and say, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive:

Exodus 32:7-10

And Jehovah spake unto Moses, Go, get thee down; for thy people, that thou broughtest up out of the land of Egypt, have corrupted themselves:

Isaiah 29:13

And the Lord said, Forasmuch as this people draw nigh unto me , and with their mouth and with their lips to honor me, but have removed their heart far from me, and their fear of me is a commandment of men which hath been taught them ;

Isaiah 30:8-11

Now go, write it before them on a tablet, and inscribe it in a book, that it may be for the time to come for ever and ever.

Isaiah 44:18-20

They know not, neither do they consider: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.

Jeremiah 15:1-2

Then said Jehovah unto me, Though Moses and Samuel stood before me, yet my mind would not be toward this people: cast them out of my sight, and let them go forth.

Hosea 1:9

And Jehovah'said, Call his name Lo-ammi; for ye are not my people, and I will not be your God .

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 that have eyes, and the deaf that have ears.
Isaiah 44:18
They know not, neither do they consider: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Matthew 13:14
And unto them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive:
Mark 4:12
that seeing they may see, and not perceive; and hearing they may hear, and not understand; lest haply they should turn again, and it should be forgiven them.
Luke 8:10
And he said, Unto you it is given to know the mysteries of the kingdom of God: but to the rest in parables; that seeing they may not see, and hearing they may not understand.
John 12:40
He hath blinded their eyes, and he hardened their heart; Lest they should see with their eyes, and perceive with their heart, And should turn, And I should heal them.
Acts 28:26
saying, Go thou unto this people, and say, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive:
Romans 11:8
according as it is written, God gave them a spirit of stupor, eyes that they should not see, and ears that they should not hear, unto this very day.

General references

Exodus 10:20
But Jehovah hardened Pharaoh's heart, and he did not let the children of Israel go.
Deuteronomy 28:28
Jehovah will smite thee with madness, and with blindness, and with astonishment of heart;
Deuteronomy 29:4
but Jehovah hath not given you a heart to know, and eyes to see, and ears to hear, unto this day.
Isaiah 43:8
Bring forth the blind people that have eyes, and the deaf that have ears.
John 8:27
They perceived not that he spake to them of the Father.

American Standard Version Public Domain