Mark 7:18

And He answered them, "Are you too without understanding yet? Do you not know that nothing from the outside that goes into a man can make him foul,

Matthew 15:16-17

And He said, "Are you too, even yet, without understanding?

Matthew 16:11

How is it that you do not understand that I did not speak to you about bread, when I said, keep on guarding yourselves against the yeast of the Pharisees and the Sadducees?"

Mark 4:13

Then He said to them: "If you do not understand this story, how, indeed, can you understand any of my stories?

Luke 24:25

Then He said to them, "O men sluggish in mind and slow in heart to believe all that the prophets have said!

John 3:10

Jesus answered him, "Are you a teacher of Israel and do not know this?

1 Corinthians 3:2

I fed you with milk, not solid food, for you could not take it. Why, you cannot take it even now,

Hebrews 5:11

I have much to say to you about Him, but it is difficult to make it clear to you, since you have become so dull in your spiritual senses.

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