Mark 8:21

For they considered not the miracle of the loaves: for their heart was hardened.

He answereth him, and saith, O faithless generation, how long shall I be with you? how long shall I suffer you? bring him unto me.

Jesus saith unto him, Have I been so long time with you, and yet hast thou not known me, Philip? he that hath seen me hath seen the Father; and how sayest thou then, Shew us the Father?

How is it that ye do not understand that I spake it not to you concerning bread, that ye should beware of the leaven of the Pharisees and of the Sadducees? Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.

Understand, ye brutish among the people: and ye fools, when will ye be wise?

I speak to your shame. Is it so, that there is not a wise man among you? no, not one that shall be able to judge between his brethren?

Awake to righteousness, and sin not; for some have not the knowledge of God: I speak this to your shame.

And he left them, and entering into the ship again departed to the other side.

Having eyes, see ye not? and having ears, hear ye not? and do ye not remember?