Matthew 13:14

And the prophecy of Isaiah is fulfilled unto them, saying, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive.

Mark 4:12

in order that seeing they may see, and not know; and hearing they may hear, and not understand; lest they may turn, and their sins may he forgiven unto them.

Luke 8:10

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

John 12:39-40

Wherefore were they not able to believe, because Isaiah again said,

Acts 28:25-27

and they being disharmonious to one another, dispersed, Paul saying one word, that truly the Holy Ghost spoke through the prophet Isaiah to your fathers, saying,

Romans 11:8-10

as has been written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.

2 Corinthians 3:14

But their minds were darkened. For until this day the same veil remains in the reading of the old covenant, remains, not lifted; because it 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:

General references

Bible References

The prophecy

Mark 4:12
in order that seeing they may see, and not know; and hearing they may hear, and not understand; lest they may turn, and their sins may he forgiven unto them.
Luke 8:10
And He said; To you it has been given to know the mysteries of the kingdom of God: but to the rest in parables; in order that seeing they may not see, and hearing they may not understand.
John 12:39
Wherefore were they not able to believe, because Isaiah again said,
Acts 28:25
and they being disharmonious to one another, dispersed, Paul saying one word, that truly the Holy Ghost spoke through the prophet Isaiah to your fathers, saying,
Romans 11:8
as has been written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.
2 Corinthians 3:14
But their minds were darkened. For until this day the same veil remains in the reading of the old covenant, remains, not lifted; because it is done away in Christ;

General references

Matthew 24:39
and they did not know until the flood came, and took them all away; so shall be the coming of the Son of man.