Mark 8:18

Having eyes, do you not see? having ears, do you not hear? and do you not remember?

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.

Matthew 13:14-15

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.

John 12:40

He hath blinded their eyes, and hardened their heart; in order that they may not see with their eyes, nor understand with their heart, and turn, and I shall heal them.

Acts 28:26-27

Go to this people, and say, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive:

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 Peter 1:12

Therefore I will be about to always remind you concerning these things, even though knowing them, and being established in the present truth.

Treasury of Scripture Knowledge

Summary

Having eyes, see ye not? and having ears, hear ye not? and do ye not remember?

Bible References

See

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.
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.
John 12:40
He hath blinded their eyes, and hardened their heart; in order that they may not see with their eyes, nor understand with their heart, and turn, and I shall heal them.
Acts 28:26
Go to this people, and say, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive:
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.

Do

2 Peter 1:12
Therefore I will be about to always remind you concerning these things, even though knowing them, and being established in the present truth.

General references

Matthew 13:13
Therefore I speak to them in parables; because seeing they see not, and hearing they hear not, neither do they understand.
Matthew 15:16
And Jesus said, Are you indeed still without understanding?
Matthew 16:10
Nor the seven loaves of the four thousand, and how many baskets you took up?
Luke 9:45
And they did not understand this word, and it was hidden from them, in order that they should not understand it: and they were afraid to ask Him concerning this word.