Mark 8:21
And he said to them, How do ye not yet understand?
Mark 6:52
for they understood not through the loaves: for their heart was hardened.
Psalm 94:8
Understand, ye brutish among the people; and ye fools, when will ye be wise?
Matthew 16:11-12
How do ye not understand that it was not concerning bread I said to you, Beware of the leaven of the Pharisees and Sadducees?
Mark 8:12
And groaning in his spirit, he says, Why does this generation seek a sign? Verily I say unto you, A sign shall in no wise be given to this generation.
Mark 8:17
And Jesus knowing it, says to them, Why reason ye because ye have no bread? Do ye not yet perceive nor understand? Have ye your heart yet hardened?
Mark 9:19
But he answering them says, 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 says to him, Am I so long a time with you, and thou hast not known me, Philip? He that has seen me has seen the Father; and how sayest thou, Shew us the Father?
1 Corinthians 6:5
I speak to you to put you to shame. Thus there is not a wise person among you, not even one, who shall be able to decide between his brethren!
1 Corinthians 15:34
Awake up righteously, and sin not; for some are ignorant of God: I speak to you as a matter of shame.