Mark 7:18
So he said to them, "Are you also without understanding? Do you not see that whatever enters a man from outside cannot defile him,
Matthew 15:16-17
So Jesus said, "Are you also still without understanding?
Matthew 16:11
How is it that you do not understand that I did not speak to you about bread? But beware of the leaven of the Pharisees and Sadducees."
Mark 4:13
And he said to them, "Do you not understand this parable? How then will you understand all the parables?
Luke 24:25
And he said to them, "O foolish men, and slow of heart to believe all that the prophets have spoken!
John 3:10
Jesus answered him, "Are you the teacher of Israel, and yet you do not understand these things?
1 Corinthians 3:2
I gave you milk, not solid food; for you were not yet ready for it. Indeed, even now you are not ready,
Hebrews 5:11
About this we have much to say which is hard to explain, since you have become dull of hearing.
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