Hebrews 5:11

Concerning him we have much to say, and it is hard to explain, since you have become dull of hearing.

2 Peter 3:16

as also in all his letters, speaking in them of these things, in which are some things hard to understand, which the untaught and unstable distort, as they do also the rest of the Scriptures, to their own destruction.

Matthew 13:15

For the heart of this people has become dull,
With their ears they scarcely hear,
And they have closed their eyes,
Otherwise they would see with their eyes,
Hear with their ears,
And understand with their heart and return,
And I would heal them.’

Isaiah 6:10

Render the hearts of this people insensitive,
Their ears dull,
And their eyes dim,
Otherwise they might see with their eyes,
Hear with their ears,
Understand with their hearts,
And return and be healed.”

Mark 8:17-18

And Jesus, aware of this, *said to them, “Why do you discuss the fact that you have no bread? Do you not yet see or understand? Do you have a hardened heart?

Mark 8:21

And He was saying to them, Do you not yet understand?”

Luke 24:25

And He said to them, “O foolish men and slow of heart to believe in all that the prophets have spoken!

John 6:6

This He was saying to test him, for He Himself knew what He was intending to do.

John 16:12

“I have many more things to say to you, but you cannot bear them now.

Acts 28:27

For the heart of this people has become dull,
And with their ears they scarcely hear,
And they have closed their eyes;
Otherwise they might see with their eyes,
And hear with their ears,
And understand with their heart and return,
And I would heal them.”’

1 Kings 10:1

Now when the queen of Sheba heard about the fame of Solomon concerning the name of the Lord, she came to test him with difficult questions.

Treasury of Scripture Knowledge

Summary

Of whom we have many things to say, and hard to be uttered, seeing ye are dull of hearing.

General references

Bible References

We

1 Kings 10:1
Now when the queen of Sheba heard about the fame of Solomon concerning the name of the Lord, she came to test him with difficult questions.
John 6:6
This He was saying to test him, for He Himself knew what He was intending to do.
John 16:12
“I have many more things to say to you, but you cannot bear them now.
2 Peter 3:16
as also in all his letters, speaking in them of these things, in which are some things hard to understand, which the untaught and unstable distort, as they do also the rest of the Scriptures, to their own destruction.

Dull

Isaiah 6:10
Render the hearts of this people insensitive,
Their ears dull,
And their eyes dim,
Otherwise they might see with their eyes,
Hear with their ears,
Understand with their hearts,
And return and be healed.”
Matthew 13:15
For the heart of this people has become dull,
With their ears they scarcely hear,
And they have closed their eyes,
Otherwise they would see with their eyes,
Hear with their ears,
And understand with their heart and return,
And I would heal them.’
Mark 8:17
And Jesus, aware of this, *said to them, “Why do you discuss the fact that you have no bread? Do you not yet see or understand? Do you have a hardened heart?
Luke 24:25
And He said to them, “O foolish men and slow of heart to believe in all that the prophets have spoken!
Acts 28:27
For the heart of this people has become dull,
And with their ears they scarcely hear,
And they have closed their eyes;
Otherwise they might see with their eyes,
And hear with their ears,
And understand with their heart and return,
And I would heal them.”’

General references

Leviticus 11:22
These of them you may eat: the locust in its kinds, and the devastating locust in its kinds, and the cricket in its kinds, and the grasshopper in its kinds.
Mark 7:18
And He *said to them, “Are you so lacking in understanding also? Do you not understand that whatever goes into the man from outside cannot defile him,