Mark 7:18

"Are even you without understanding?" he said. "Do you not perceive that nothing whatever from without can defile a man by entering him,

Matthew 15:16-17

He answered. "Are even you still without understanding?

Matthew 16:11

"How is it that you do not perceive that I did not speak to you concerning bread? But beware off the leaven of the Pharisees and Sadducees!"

Mark 4:13

"You do not understand this parable," said Jesus. "Then how will you understand the other parables?

Luke 24:25

"O foolish men," said Jesus, "slow of heart to believe all that the prophets have spoken!

John 3:10

"Are you the Teacher of Israel, and yet you do not understand these things?" said Jesus.

1 Corinthians 3:2

I fed you milk, not meat; for you were unable to bear it.

Hebrews 5:11

Concerning him I have much to say, and much that is hard to make clear to you, because you have grown dull of hearing.

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