Mark 8:21
Then He said to them, "Do you not understand yet?"
Mark 6:52
but they did not understand [the miracle] of the loaves because their minds were insensitive [i.e., to the nature and power of Jesus].
Matthew 16:11-12
How is it that you do not understand that I was not speaking to you about [physical] bread? But [rather I meant] watch out for the yeast [i.e., the influence] of the Pharisees and Sadducees."
Mark 8:12
Then He sighed deeply in His spirit and said, "Why does this generation of people look for a [supernatural] sign? Truly I tell you, there will not be any [supernatural] sign given to this generation."
Mark 8:17
Jesus, being aware of what they were thinking, said, "Why are you reasoning about not having any bread? Have you not yet perceived or understood? Have your hearts become insensitive?
Mark 9:19
Jesus said to them, "You generation of faithless people How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."
John 14:9
Jesus replied to him, "Have I been with you men all this time, and [still] you do not know me, Philip? The person who has seen me, has [also] seen the Father. How can you say, 'Show us the Father'?
1 Corinthians 6:5
I am saying this to make you ashamed. Can there not be found one wise person [there] among you who is able to decide [on a matter] between his [Christian] brothers?
1 Corinthians 15:34
Come to your senses; do what is right and stop sinning. Some of you do not know God [i.e., in a personal way]. I am saying this to make you ashamed.