Mark 8:21
And he said unto them, How is it that ye do not understand?
Mark 6:52
For they reflected not upon the loaves, for their heart was hardened.
Matthew 16:11-12
How is it that ye do not understand, that I spake not to you of bread, to beware of the leaven of the Pharisees and of the Sadducees?
Mark 8:12
And fetching a deep sigh from his very soul, he saith, Why seeketh this generation a sign? verily I tell you, no sign shall be given to this generation.
Mark 8:17
And Jesus knowing it said unto them, Why reason ye together, because ye have no loaves? Do ye not yet consider, nor understand? Have ye your heart yet hardened?
Mark 9:19
Then addressing him, he said, O faithless 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, Am I all this while with you, and hast thou not known me, Philip? he that hath seen me hath seen the Father; and how sayest thou, Shew us the Father?
1 Corinthians 6:5
I speak to you to shame you. Is it so, that there is not among you a wise man? Not so much as one who is able to judge between one brother and another?
1 Corinthians 15:34
Awake as the righteous, and sin not; for some have an ignorance of God: I speak this to your shame.