Luke 9:45
"But they understood not this saying, and it was hid from them, that they perceived it not: and they feared to ask him of that saying."
Cross References (ranked by relevance)
And they understood none of these things: and this saying was hid from them, neither knew they the things which were spoken.
And they understood not the saying which he spake unto them.
These things understood not his disciples at the first: but when Jesus was glorified, then remembered they that these things were written of him, and that they had done these things unto him.
But they understood not that saying, and were afraid to ask him.
Then Peter took him, and began to rebuke him, saying, Be it far from thee, Lord: this shall not be unto thee.
Thomas saith unto him, Lord, we know not whither thou goest; and how can we know the way?
The people answered him, We have heard out of the law that Christ abideth for ever: and how sayest thou, The Son of man must be lifted up? who is this Son of man?
And they kept that saying with themselves, questioning one with another what the rising from the dead should mean.
Then there arose a reasoning among them, which of them should be greatest.