Hebrews 5:11
On this head we have many things to say, not easily to be comprehended, because of your prejudices.
2 Peter 3:16
as it were in all his epistles, where he takes notice of these things: in which there are some passages that are difficult to understand, which the illiterate, and unstable wrest, as they do the rest of the scriptures, to their own ruin.
Matthew 13:15
for the heart of this people is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and understand with their heart, and should be converted, and I should heal them."
Mark 8:17-18
said, why do you trouble your heads about your having no bread? are you yet so void of sense, and understanding? are your minds so blinded?
Mark 8:21
don't you yet, said he, comprehend my meaning?
Luke 24:25
then Jesus said to them, how stupidly incredulous are you not to believe things that have been all predicted by the prophets!
John 6:6
(this he said to prove Philip: for he himself knew what he had to do.)
John 16:12
I have yet many things to tell you, but ye cannot bear them now;
Acts 28:27
for the heart of this people is become gross, their ears are dull of hearing, and their eyes have they closed; lest they should see with their eyes, and hear with their ears, and understand with their heart, and be converted and I should heal them."