Mark 8:17

He perceived what they were saying, and He said to them, "What is this discussion of yours about having no bread? Do you not yet see and understand? Are your minds so dull of comprehension?

Mark 6:52

For they had not learned the lesson taught by the loaves, but their minds were dull.

Mark 6:52

For they had not learned the lesson taught by the loaves, but their minds were dull.

Matthew 15:17

Do you not understand that whatever enters the mouth passes into the stomach and is afterwards ejected from the body?

Matthew 16:8-9

Jesus perceived this and said, "Why are you reasoning among yourselves, you men of little faith, because you have no bread?

Mark 2:8

At once perceiving by His spirit that they were reasoning within themselves, Jesus asked them, "Why do you thus argue in your minds?

Mark 3:5

Grieved and indignant at the hardening of their hearts, He looked round on them with anger, and said to the man, "Stretch out your arm." He stretched it out, and the arm was completely restored.

Mark 16:14

Later still He showed Himself to the Eleven themselves whilst they were at table, and He upbraided them with their unbelief and obstinacy in not having believed those who had seen Him alive.

Luke 24:25

"O dull-witted men," He replied, "with minds so slow to believe all that the Prophets have spoken!

John 2:24-25

But for His part, Jesus did not trust Himself to them, because He knew them all,

John 16:30

Now we know that you have all knowledge, and do not need to be pressed with questions. Through this we believe that you came from God."

John 21:17

A third time Jesus put the question: "Simon, son of John, am I dear to you?" It grieved Peter that Jesus asked him the third time, "Am I dear to you?" "Master," he replied, "you know everything, you can see that you are dear to me." "Then feed my much-loved sheep," said Jesus.

Hebrews 4:12-13

For God's Message is full of life and power, and is keener than the sharpest two-edged sword. It pierces even to the severance of soul from spirit, and penetrates between the joints and the marrow, and it can discern the secret thoughts and purposes of the heart.

Hebrews 5:11-12

Concerning Him we have much to say, and much that it would be difficult to make clear to you, since you have become so dull of apprehension.

Revelation 2:23

Her children too shall surely die; and all the Churches shall come to know that I am He who searches into men's inmost thoughts; and to each of you I will give a requital which shall be in accordance with what your conduct has been.

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
At once perceiving by His spirit that they were reasoning within themselves, Jesus asked them, "Why do you thus argue in your minds?
John 2:24
But for His part, Jesus did not trust Himself to them, because He knew them all,
John 16:30
Now we know that you have all knowledge, and do not need to be pressed with questions. Through this we believe that you came from God."
John 21:17
A third time Jesus put the question: "Simon, son of John, am I dear to you?" It grieved Peter that Jesus asked him the third time, "Am I dear to you?" "Master," he replied, "you know everything, you can see that you are dear to me." "Then feed my much-loved sheep," said Jesus.
Hebrews 4:12
For God's Message is full of life and power, and is keener than the sharpest two-edged sword. It pierces even to the severance of soul from spirit, and penetrates between the joints and the marrow, and it can discern the secret thoughts and purposes of the heart.
Revelation 2:23
Her children too shall surely die; and all the Churches shall come to know that I am He who searches into men's inmost thoughts; and to each of you I will give a requital which shall be in accordance with what your conduct has been.

Perceive

Mark 3:5
Grieved and indignant at the hardening of their hearts, He looked round on them with anger, and said to the man, "Stretch out your arm." He stretched it out, and the arm was completely restored.
Mark 6:52
For they had not learned the lesson taught by the loaves, but their minds were dull.
Mark 16:14
Later still He showed Himself to the Eleven themselves whilst they were at table, and He upbraided them with their unbelief and obstinacy in not having believed those who had seen Him alive.
Matthew 15:17
Do you not understand that whatever enters the mouth passes into the stomach and is afterwards ejected from the body?
Matthew 16:8
Jesus perceived this and said, "Why are you reasoning among yourselves, you men of little faith, because you have no bread?
Luke 24:25
"O dull-witted men," He replied, "with minds so slow to believe all that the Prophets have spoken!
Hebrews 5:11
Concerning Him we have much to say, and much that it would be difficult to make clear to you, since you have become so dull of apprehension.

General references

Matthew 13:13
I speak to them in figurative language for this reason, that while looking they do not see, and while hearing they neither hear nor understand.
Matthew 15:16
"Are even you," He answered, "still without intellingence?
Matthew 16:10
nor the 4,000 and the seven loaves, and how many hampers you carried away?
Luke 9:45
But they did not understand His meaning: it was veiled from them that they might not perceive it, and they were afraid to ask Him about it.