Mark 7:18

And He saith unto them, Are ye so void of understanding also? Do ye not know, that whatsoever from without entreth into a man cannot defile him?

Matthew 15:16-17

And Jesus replied, Are ye also still void of understanding?

Matthew 16:11

How is it then that ye do not understand that I did not speak to you concerning bread, when I bid you to beware of the leaven of the pharisees and of the sadducees?

Mark 4:13

Then saith He unto them, Do ye not understand this parable? how then will ye understand all my other parables.

Luke 24:25

And He said unto them, O people void of understanding and slow of heart to believe all that the prophets have spoken.

John 3:10

Jesus answered and said unto him, Art thou a teacher of Israel and knowest not these things?

1 Corinthians 3:2

I have fed you with milk, and not with meat; for ye were not hitherto able to bear it, nor yet are ye even now able.

Hebrews 5:11

Concerning whom we have much to say and difficult to be explained, since ye are become dull of hearing.

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