John 6:60

Many, therefore, of His disciples, having heard this, said, "This is a hard saying! Who can hear it?"

John 6:66

From this time many of His disciples went back, and walked no more with Him.

Matthew 11:6

And happy is he, whosoever shall find no occasion of stumbling in Me."

John 6:41-42

The Jews, therefore, were murmuring concerning Him, because He said, "I am the Bread that came down out of Heaven."

John 8:31

Jesus, therefore, said to those Jews who had believed on Him, "If ye abide in My word, ye are truly My disciples;

John 8:43

Why do ye not understand My speech? it is because ye cannot hear My word.

Hebrews 5:11

Concerning Whom we have much to say and difficult to explain, since ye 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 be understood, which the ignorant and unstable wrest, as they do also 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
From this time many of His disciples went back, and walked no more with Him.
John 8:31
Jesus, therefore, said to those Jews who had believed on Him, "If ye abide in My word, ye are truly My disciples;

This

John 6:41
The Jews, therefore, were murmuring concerning Him, because He said, "I am the Bread that came down out of Heaven."
John 8:43
Why do ye not understand My speech? it is because ye cannot hear My word.
Matthew 11:6
And happy is he, whosoever shall find no occasion of stumbling in Me."
Hebrews 5:11
Concerning Whom we have much to say and difficult to explain, since ye 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 be understood, which the ignorant and unstable wrest, as they do also the other Scriptures, to their own destruction.