Mark 8:21
And he said to them, Do ye not yet understand?
Mark 6:52
For they did not consider the matter of the loaves; but their heart was hardened.
Matthew 16:11-12
How is it that ye do not understand, that I spoke not to you of loaves? But [I said] Beware of the leaven of the Pharisees and Sadducees.
Mark 8:12
And sighing deeply in his spirit, he saith, Why doth this generation seek for a sign? Truly do I say to you, A sign will not he given to this generation.
Mark 8:17
And knowing it, he saith to them, Why are ye reasoning, because ye have no bread? Do ye not yet perceive nor understand? Have ye your mind still blinded?
Mark 9:19
He answereth and saith to them, O unbelieving generation! How long shall I be with you? How long shall I bear with you? Bring him to me.
John 14:9
Jesus saith to him, Have I been so long time with you, and dost thou not know me, Philip? He that hath seen me hath seen the Father; how is it that thou sayest, Show us the Father?
1 Corinthians 6:5
I speak to your shame. Is it so, that there is not a wise man among you, not one that will be able to judge between his brethren?
1 Corinthians 15:34
Awake, as is your duty, and sin not; for some have not the knowledge of God; I say it to your shame.