Bible Verses About Reproof: Not understanding

Do you not yet understand, neither do you remember the five loaves among five thousand men, and how many baskets you took up?

Why do you not understand that it was not concerning bread I said to you: Beware of the leaven of the Pharisees and Sadducees?

And he saith to them: So are you also without knowledge? Understand you not that every thing from without entering into a man cannot defile him:

Then he said to them: O foolish and slow of heart to believe in all things, Which the prophets have spoken.

Why do you not know my speech? Because you cannot hear my word.

Jesus answered and said to him: What I do, thou knowest not now; but thou shalt know hereafter.

Peter saith to him: Thou shalt never wash my feet, Jesus answered him: If I wash thee not, thou shalt have no part with me.