Mark 8:17-18

And, noticing this, Jesus said to them: "Why are you talking about your being short of bread? Do not you yet see or understand? Are your minds still so slow or comprehension?

Luke 24:25

Then Jesus said to them: "O foolish men, slow to accept all that the Prophets have said!

John 3:19

The ground of his condemnation is this, that though the Light has come into the world, men preferred the darkness to the Light, because their actions were wicked.

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,

Treasury of Scripture Knowledge

Summary

For God speaketh once, yea twice, yet man perceiveth it not.

Bible References

Perceiveth

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,
Mark 8:17
And, noticing this, Jesus said to them: "Why are you talking about your being short of bread? Do not you yet see or understand? Are your minds still so slow or comprehension?
Luke 24:25
Then Jesus said to them: "O foolish men, slow to accept all that the Prophets have said!
John 3:19
The ground of his condemnation is this, that though the Light has come into the world, men preferred the darkness to the Light, because their actions were wicked.