Mark 8:18

When you have eyes can you not see, and when you have ears can you not hear? Do you not remember

Mark 4:12

so that " 'They may look and look and yet not see, And listen and listen and yet not understand, Lest possibly they should turn and be forgiven.' ",

Matthew 13:14-15

They are a fulfilment of Isaiah's prophecy, " 'You will listen and listen, and never understand, And you will look and look, and never see!

John 12:40

"He has made their eyes blind and their minds dull, To keep them from seeing with their eyes, and understanding with their minds, And turning to me to be cured."

Acts 28:26-27

" 'Go to this Nation and say to them, "You will listen, and listen, and never understand, And you will look, and look, and never see!

Romans 11:8

The rest became callous; as the Scripture says, "God has thrown them into a state of spiritual insensibility, with eyes that cannot see and cars that cannot hear, that has lasted down to this day."

2 Peter 1:12

Therefore I will always remind you of this, although you know it and are firmly grounded in the truth that you have.

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
so that " 'They may look and look and yet not see, And listen and listen and yet not understand, Lest possibly they should turn and be forgiven.' ",
Matthew 13:14
They are a fulfilment of Isaiah's prophecy, " 'You will listen and listen, and never understand, And you will look and look, and never see!
John 12:40
"He has made their eyes blind and their minds dull, To keep them from seeing with their eyes, and understanding with their minds, And turning to me to be cured."
Acts 28:26
" 'Go to this Nation and say to them, "You will listen, and listen, and never understand, And you will look, and look, and never see!
Romans 11:8
The rest became callous; as the Scripture says, "God has thrown them into a state of spiritual insensibility, with eyes that cannot see and cars that cannot hear, that has lasted down to this day."

Do

2 Peter 1:12
Therefore I will always remind you of this, although you know it and are firmly grounded in the truth that you have.

General references

Matthew 13:13
This is why I speak to them in figures, because though they look they do not see, and though they listen they do not hear or understand.
Matthew 15:16
He said, "Have even you no understanding yet?
Matthew 16:10
Nor the seven loaves for the four thousand, and how many baskets full you gathered up?
Luke 9:45
But they did not understand what he meant, indeed it was concealed from them, in order that they might not comprehend it, and they were afraid to ask him what he meant.