John 6:60

When they heard this many of his disciples said: This is a hard saying; who can listen to it?

John 6:66

After this many of his disciples returned to their old ways. They did not walk with him anymore.

Matthew 11:6

Blessed and happy is he who is not offended by me.

John 6:41-42

The Jews complained about him. This is because he said 'I am the bread that came down out of heaven.'

John 8:31

Jesus told the Jews who believed him: If you dwell in my word you truly are my disciples.

John 8:43

Why do you not understand what I say? Can you not hear me?

Hebrews 5:11

We have many things to say about him and it is hard to explain it to you, for you are dull of hearing (slow to learn).

2 Peter 3:16

He spoke about these things in his letters. Some things are hard to understand. The untaught and unstable distort them as they do the other Scriptures, to their own destruction.

Treasury of Scripture Knowledge

Summary

Many therefore of his disciples, when they had heard this, said, This is an hard saying; who can hear it?

Bible References

Of his

John 6:66
After this many of his disciples returned to their old ways. They did not walk with him anymore.
John 8:31
Jesus told the Jews who believed him: If you dwell in my word you truly are my disciples.

This

John 6:41
The Jews complained about him. This is because he said 'I am the bread that came down out of heaven.'
John 8:43
Why do you not understand what I say? Can you not hear me?
Matthew 11:6
Blessed and happy is he who is not offended by me.
Hebrews 5:11
We have many things to say about him and it is hard to explain it to you, for you are dull of hearing (slow to learn).
2 Peter 3:16
He spoke about these things in his letters. Some things are hard to understand. The untaught and unstable distort them as they do the other Scriptures, to their own destruction.