John 16:18

So they kept on saying, "What is this that he is saying, 'A little [while]'? We do not understand what he is speaking about!"

Matthew 16:9-11

Do you not yet understand or do you not remember the five loaves for the five thousand, and how many baskets you took up?

Luke 24:25

And he said to them, "O foolish and slow in heart to believe in all that the prophets have spoken!

Hebrews 5:12

For indeed, [although you] ought to be teachers {by this time}, you have need of someone to teach you again the beginning elements of the oracles of God, and {you have need of} milk, not solid food.

Treasury of Scripture Knowledge

Summary

They said therefore, What is this that he saith, A little while? we cannot tell what he saith.

General references

Bible References

We

Matthew 16:9
Do you not yet understand or do you not remember the five loaves for the five thousand, and how many baskets you took up?
Luke 24:25
And he said to them, "O foolish and slow in heart to believe in all that the prophets have spoken!
Hebrews 5:12
For indeed, [although you] ought to be teachers {by this time}, you have need of someone to teach you again the beginning elements of the oracles of God, and {you have need of} milk, not solid food.

General references

Luke 9:45
But they did not understand this statement, and it was concealed from them so that they could not understand it. And they were afraid to ask him about this statement.