Mark 8:18

'Though you have eyes, do you not see? and though you have ears, do you not hear?' Do not you remember,

Mark 4:12

'Though they have eyes, they may see without perceiving; And though they have ears, they may hear without understanding; Lest some day they should turn and be forgiven.'

Matthew 13:14-15

And in them is being fulfilled that prophecy of Isaiah which says--'You will hear with your ears without ever understanding, And, though you have eyes, you will see without ever perceiving,

John 12:40

'He has blinded their eyes, and blunted their mind, so that they should not see with their eyes, and perceive with their mind, and turn--And I should heal them.'

Acts 28:26-27

'Go to this nation and say--"You will hear with your ears without ever understanding, and, though you have eyes, you will see without ever perceiving."

Romans 11:8

The rest grew callous; as Scripture says--'God has given them a deadness of mind--eyes that are not to see and ears that are not to hear--and it is so to this very day.'

2 Peter 1:12

I shall, therefore, always be ready to remind you of all this, even though you know it and are firmly established in the Truth that you now hold.

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
'Though they have eyes, they may see without perceiving; And though they have ears, they may hear without understanding; Lest some day they should turn and be forgiven.'
Matthew 13:14
And in them is being fulfilled that prophecy of Isaiah which says--'You will hear with your ears without ever understanding, And, though you have eyes, you will see without ever perceiving,
John 12:40
'He has blinded their eyes, and blunted their mind, so that they should not see with their eyes, and perceive with their mind, and turn--And I should heal them.'
Acts 28:26
'Go to this nation and say--"You will hear with your ears without ever understanding, and, though you have eyes, you will see without ever perceiving."
Romans 11:8
The rest grew callous; as Scripture says--'God has given them a deadness of mind--eyes that are not to see and ears that are not to hear--and it is so to this very day.'

Do

2 Peter 1:12
I shall, therefore, always be ready to remind you of all this, even though you know it and are firmly established in the Truth that you now hold.

General references

Matthew 13:13
That is why I speak to them in parables, because, though they have eyes, they do not see, and though they have ears, they do not hear or understand.
Matthew 15:16
"What, do even you understand nothing yet?" Jesus exclaimed.
Matthew 16:10
Nor yet the seven loaves for the four thousand, and how many basketfuls you took away?
Luke 9:45
But the disciples did not understand the meaning of this; it had been concealed from them so that they did not see it, and they were afraid to question him as to what he meant.