Mark 7:18

And he saith to them, Are ye too so without discernment? Do ye not understand that whatever thing from without entereth into a man, cannot defile him?

Matthew 15:16-17

And he said, Are ye too still without discernment?

Matthew 16:11

How is it that ye do not understand, that I spoke not to you of loaves? But [I said] Beware of the leaven of the Pharisees and Sadducees.

Mark 4:13

And he saith to them, Know ye not this parable? and how will ye know all the parables?

Luke 24:25

And he said to them, O dull of apprehension, and slow of heart to believe all that the Prophets have spoken!

John 3:10

Jesus answered and said to him, Art thou the teacher of Israel, and understandest not these things?

1 Corinthians 3:2

I fed you with milk, not with meat; for ye were not yet able to bear it. Nor indeed are ye able even now;

Hebrews 5:11

Of whom we have much to say, and hard to be explained, seeing ye have become dull of hearing.

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