Mark 8:21
And they said, Seven. And he said to them, How is it, that ye do not understand?
Mark 6:52
For they considered not the miracle of the loaves; for their heart was hardened.
Matthew 16:11-12
How do ye not understand, that I spake not to you concerning bread, to beware of the leaven of the Pharisees and Saducees?
Mark 8:12
And sighing deeply in his spirit, he said, Why doth this generation seek a sign? Verily I say to you, There shall no sign be given to this generation.
Mark 8:17
And Jesus knowing it saith to them, Why reason ye, because ye have no bread? Perceive ye not yet, neither consider? Have ye your heart yet hardened?
Mark 9:19
He answereth them and saith, O faithless generation, how long shall I be with you?
John 14:9
Jesus saith to him, Have I been so long 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 your shame. What, is there not so much as one wise man among you, that shall be able to judge between his brethren?
1 Corinthians 15:34
Awake to righteousness, and sin not; for some have not the knowledge of God. I speak this to your shame.