John 6:60

Then many of His disciples, hearing, said, This is a hard sermon; who is able to hear it?

John 6:66

Moreover from this many of His disciples went back, and walked with Him no more.

Matthew 11:6

and blessed is he, whosoever may not be offended in me.

John 6:41-42

Then the Jews were murmuring concerning Him, because He said, I am the bread having come down from heaven,

John 8:31

Then Jesus said to the Jews, who believed on Him, If you may abide in my word, you are truly my disciples;

John 8:43

Wherefore do you not understand my speech? Because you are not able to hear my word.

Hebrews 5:11

Concerning whom there is much word to us, and difficult to speak, since you are dull of hearing.

2 Peter 3:16

as also in all his epistles, speaking in the same concerning these things; in which there are some things hard to understand, which the unlearned and unestablished wrest, as they also 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
Moreover from this many of His disciples went back, and walked with Him no more.
John 8:31
Then Jesus said to the Jews, who believed on Him, If you may abide in my word, you are truly my disciples;

This

John 6:41
Then the Jews were murmuring concerning Him, because He said, I am the bread having come down from heaven,
John 8:43
Wherefore do you not understand my speech? Because you are not able to hear my word.
Matthew 11:6
and blessed is he, whosoever may not be offended in me.
Hebrews 5:11
Concerning whom there is much word to us, and difficult to speak, since you are dull of hearing.
2 Peter 3:16
as also in all his epistles, speaking in the same concerning these things; in which there are some things hard to understand, which the unlearned and unestablished wrest, as they also do the other scriptures, to their own destruction.