Mark 8:17

And when Jesus knew that, he said unto them, "Why take ye thought because ye have no bread? Perceive ye not yet, neither understand? Have ye your hearts yet blinded?

Mark 6:52

For they remembered not of the loaves, because their hearts were blinded.

Isaiah 63:17

O LORD wherefore hast thou led us out of thy way? Wherefore hast thou hardened our hearts, that we fear thee not? Be at one with us again, for thy servants' sake that are of the generation of thine heritage.

Matthew 15:17

Perceive ye not, that whatsoever goeth in at the mouth, descendeth down into the belly, and is cast out into the draught?

Matthew 16:8-9

When Jesus understood that, he said unto them, "O ye of little faith, why are your minds cumbered because ye have brought no bread?

Mark 2:8

And immediately when Jesus perceived in his spirit, that they so reasoned in themselves, he said unto them, "Why think ye such things in your hearts?

Mark 3:5

And he looked round about on them, angrily mourning on the blindness of their hearts. And said to the man, "Stretch forth thine hand." And he stretched it out: And his hand was restored, even as whole as the other.

Mark 16:14

After that he appeared unto the eleven as they sat at meat: and cast in their teeth their unbelief, and hardness of heart: because they believed not them which had seen him after his resurrection.

Luke 24:25

And he said unto them, "O fools, and slow of heart to believe all that the prophets have spoken.

John 2:24-25

but Jesus put not himself in their hands, because he knew all men,

John 16:30

Now know we that thou understandest all things, and needest not that any man should ask thee any question. Therefore believe we that thou camest from God."

John 21:17

He said unto him the third time, "Simon the son of Jonas, lovest thou me?" And Peter sorrowed because he said to him the third time, "Lovest thou me," and said unto him, "Lord, thou knowest all things, thou knowest that I love thee." Jesus said unto him, "Feed my sheep.

Hebrews 4:12-13

for the word of God is quick, and mighty in operation, and sharper than any two edged sword: and entereth through, even unto the dividing asunder of the soul and the spirit and of the joints, and the marrow: and judgeth the thoughts and the intents of the heart.

Hebrews 5:11-12

Whereof we have many things to say which are hard to be uttered: because ye are dull of hearing.

Revelation 2:23

And I will kill her children with death. And all the congregations shall know that I am he which searches the reins and hearts. And I will give unto everyone of you according to your works.

Treasury of Scripture Knowledge

Summary

And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?

Bible References

Knew

Mark 2:8
And immediately when Jesus perceived in his spirit, that they so reasoned in themselves, he said unto them, "Why think ye such things in your hearts?
John 2:24
but Jesus put not himself in their hands, because he knew all men,
John 16:30
Now know we that thou understandest all things, and needest not that any man should ask thee any question. Therefore believe we that thou camest from God."
John 21:17
He said unto him the third time, "Simon the son of Jonas, lovest thou me?" And Peter sorrowed because he said to him the third time, "Lovest thou me," and said unto him, "Lord, thou knowest all things, thou knowest that I love thee." Jesus said unto him, "Feed my sheep.
Hebrews 4:12
for the word of God is quick, and mighty in operation, and sharper than any two edged sword: and entereth through, even unto the dividing asunder of the soul and the spirit and of the joints, and the marrow: and judgeth the thoughts and the intents of the heart.
Revelation 2:23
And I will kill her children with death. And all the congregations shall know that I am he which searches the reins and hearts. And I will give unto everyone of you according to your works.

Perceive

Mark 3:5
And he looked round about on them, angrily mourning on the blindness of their hearts. And said to the man, "Stretch forth thine hand." And he stretched it out: And his hand was restored, even as whole as the other.
Mark 6:52
For they remembered not of the loaves, because their hearts were blinded.
Mark 16:14
After that he appeared unto the eleven as they sat at meat: and cast in their teeth their unbelief, and hardness of heart: because they believed not them which had seen him after his resurrection.
Isaiah 63:17
O LORD wherefore hast thou led us out of thy way? Wherefore hast thou hardened our hearts, that we fear thee not? Be at one with us again, for thy servants' sake that are of the generation of thine heritage.
Matthew 15:17
Perceive ye not, that whatsoever goeth in at the mouth, descendeth down into the belly, and is cast out into the draught?
Matthew 16:8
When Jesus understood that, he said unto them, "O ye of little faith, why are your minds cumbered because ye have brought no bread?
Luke 24:25
And he said unto them, "O fools, and slow of heart to believe all that the prophets have spoken.
Hebrews 5:11
Whereof we have many things to say which are hard to be uttered: because ye are dull of hearing.

General references

Matthew 13:13
Therefore speak I to them in similitudes: For though they see, they see not; and hearing, they hear not, neither understand.
Matthew 15:16
Then said Jesus, "Are ye yet without an understanding?
Matthew 16:10
Neither the seven loaves, when there were four thousand, and how many baskets took ye up?
Luke 9:45
But they wist not what that word meant, and it was hid from them that they understood it not. And they feared to ask him of that saying.