Matthew 13:14

And in them is fulfilled the prophecy of Isaiah, which saith, With the hearing ye shall hear, and not understand; and seeing ye shall see, and in no wise perceive:

Mark 4:12

That seeing they may see, yet not perceive; and hearing may hear, yet not understand; lest at any time they should be converted, and their sins 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 the rest in parables: that seeing they may not perceive, and hearing may not comprehend.

John 12:39-40

For this reason they could not believe, because Isaiah had said again;

Acts 28:25-27

So being divided in sentiment among themselves, they broke up, Paul adding one word, That well had the Holy Ghost spoken by Isaiah the prophet unto our fathers,

Romans 11:8-10

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 present day."

2 Corinthians 3:14

But their understandings were darkened: for unto this day the same veil in their reading the old testament abideth unremoved; which veil is taken away by 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:

General references

Bible References

The prophecy

Mark 4:12
That seeing they may see, yet not perceive; and hearing may hear, yet not understand; lest at any time they should be converted, and their sins 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 the rest in parables: that seeing they may not perceive, and hearing may not comprehend.
John 12:39
For this reason they could not believe, because Isaiah had said again;
Acts 28:25
So being divided in sentiment among themselves, they broke up, Paul adding one word, That well had the Holy Ghost spoken by Isaiah the prophet unto our fathers,
Romans 11:8
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 present day."
2 Corinthians 3:14
But their understandings were darkened: for unto this day the same veil in their reading the old testament abideth unremoved; which veil is taken away by Christ.

General references

Matthew 24:39
and they knew it not till the deluge came, and swept them all away; such also shall the coming of the Son of man be.