John 6:60
Many of his disciples hearing it, said, This is an 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 as they departed,
John 6:41-42
The Jews then murmured about him, because he said, I am the bread which came down from heaven.
John 8:31
Then said Jesus to the Jews who believed on him, If ye continue in my word, ye are my disciples indeed:
John 8:43
Why do ye not understand my discourse? Even because ye cannot hear my word.
Hebrews 5:11
Concerning whom we have many things to say, and hard to be explained, seeing ye are become dull of hearing.
2 Peter 3:16
As also in all his epistles, speaking therein of these things, in which are some things hard to be understood, which the unlearned and unstable wrest, as they do also the other scriptures, to their own destruction.