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 at any time they should be converted, and their sins 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 others in parables; that seeing they might not see, and hearing they might not understand.

Matthew 13:14-15

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:

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.

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 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 28:26-27

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

Exodus 32:7-10

And the LORD said unto Moses, Go, get thee down; for thy people, which thou broughtest out of the land of Egypt, have corrupted themselves:

Isaiah 29:13

Wherefore the Lord said, Forasmuch as this people draw near me with their mouth, and with their lips do honour me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:

Isaiah 30:8-11

Now go, write it before them in a table, and note it in a book, that it may be for the time to come for ever and ever:

Isaiah 44:18-20

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

Jeremiah 15:1-2

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

Hosea 1:9

Then said God, Call his name Loammi: 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 have not known nor understood: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Matthew 13:14
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.
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:
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.

General references

Exodus 10:20
But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.
Deuteronomy 28:28
The LORD shall smite thee with madness, and blindness, and astonishment of heart:
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.
Isaiah 43:8
Bring forth the blind people that have eyes, and the deaf that have ears.
John 8:27
They understood not that he spake to them of the Father.

King James Version Public Domain