Matthew 13:14

And in them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive:

Isaiah 6:9-10

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, To you it is given to know the mysteries of the kingdom of God: but to others in parables; that seeing they may not see, and hearing they may not understand.

Ezekiel 12:2

Son of man, thou dwellest in the midst of a rebellious house, who have eyes to see, and see not; they have ears to hear, and hear not: for they are a rebellious house.

John 12:39-40

Therefore they could not believe, because that Isaiah said again,

Acts 28:25-27

And when they agreed not among themselves, they departed, after Paul had spoken one word, Well spoke the Holy Spirit by Isaiah the prophet to our fathers,

Romans 11:8-10

(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;) to this day.

2 Corinthians 3:14

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

Treasury of Scripture Knowledge

Summary

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:

Bible References

The prophecy

Isaiah 6:9
And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.
Ezekiel 12:2
Son of man, thou dwellest in the midst of a rebellious house, who have eyes to see, and see not; they have ears to hear, and hear not: for they are a rebellious house.
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, To you it is given to know the mysteries of the kingdom of God: but to others in parables; that seeing they may not see, and hearing they may not understand.
John 12:39
Therefore they could not believe, because that Isaiah said again,
Acts 28:25
And when they agreed not among themselves, they departed, after Paul had spoken one word, Well spoke the Holy Spirit by Isaiah the prophet to our fathers,
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;) to this day.
2 Corinthians 3:14
But their minds were blinded: for until this day the same vail remaineth untaken away in the reading of the old testament; which vail is done away in Christ.

General references

Leviticus 13:29
If a man or woman shall have a plague upon the head or the beard;
Deuteronomy 29:4
Yet the LORD hath not given you a heart to perceive, and eyes to see, and ears to hear, to this day.
Deuteronomy 32:28
For they are a nation void of counsel, neither is there any understanding in them.
Proverbs 20:12
The hearing ear, and the seeing eye, the LORD hath made even both of them.
Ezekiel 17:2
Son of man, put forth a riddle, and speak a parable to the house of Israel;
Matthew 24:39
And knew not until the flood came, and took them all away: so also will be the coming of the Son of man.