Mark 8:21
And he said to them, How do ye not understand?
Mark 6:52
for they did not understand about the loaves, for their heart was hardened.
Psalm 94:8
Consider, ye brutish among the people, and ye fools, when will ye be wise?
Matthew 16:11-12
How do ye not understand that I spoke to you not about bread, to beware of the leaven of the Pharisees and Sadducees?
Mark 8:12
And having sighed deeply in his spirit, he says, Why does this generation seek a sign? Truly I am telling you, if a sign will be given to this generation.
Mark 8:17
And knowing it Jesus says to them, Why do ye deliberate because ye have no loaves? Do ye not yet perceive nor understand? Have ye your heart still hardened?
Mark 9:19
And having answered him, he says, O faithless generation, how long will I be with you? How long will I endure you? Bring him to me.
John 14:9
Jesus says to him, Have I been so long a time with you, and thou do not know me, Philip? He who has seen me has seen the Father. And how can thou say, Show us the Father?
1 Corinthians 6:5
I speak shame about you. So there is not among you not even one wise man who will be able to arbitrate between his brother?
1 Corinthians 15:34
Sober up rightly, and do not sin, for some have ignorance of God. I speak shame about you.