John 6:60
Therefore many of his disciples having heard, said, This is a hard saying. Who can listen to it?
John 6:66
From this, many of his disciples went back at these things, and walked no more with him.
Matthew 11:6
And blessed is he, whoever will not be caused to stumble by me.
John 6:41-42
The Jews therefore murmured about him because he said, I am the bread that came down out of heaven.
John 8:31
Jesus therefore said to those Jews who believed him, If ye remain in my word, ye are truly my disciples,
John 8:43
Why do ye not understand my speech? Because ye cannot hear my word.
Hebrews 5:11
About whom, much subject matter from us is also difficult to explain, since ye have become sluggish in hearing.
2 Peter 3:16
as also in all his letters, speaking in them about these things, in which are some things hard to understand, which the ignorant and unstable twist, as also the other scriptures, to their own destruction.