John 6:60
Many therefore of his disciples, when the heard this , said, This is a hard saying; who can hear it?
John 6:66
Upon this many of his disciples went back, and walked no more with him.
Matthew 11:6
And blessed is he, whosoever shall find no occasion of stumbling in me.
John 6:41-42
The Jews therefore murmured concerning him, because he said, I am the bread which came down out of heaven.
John 8:31
Jesus therefore said to those Jews that had believed him, If ye abide in my word, then are ye truly my disciples;
John 8:43
Why do ye not understand my speech? Even because ye cannot hear my word.
Hebrews 5:11
Of whom we have many things to say, and hard of interpretation, seeing ye are become dull of hearing.
2 Peter 3:16
as also in all his epistles, speaking in them of these things; wherein are some things hard to be understood, which the ignorant and unstedfast wrest, as they do also the other scriptures, unto their own destruction.