Mark 9:32

But they did not understand this statement, and they were afraid to ask Him.

Luke 2:50

But they did not understand the statement which He had made to them.

Luke 18:34

But the disciples understood none of these things, and the meaning of this statement was hidden from them, and they did not comprehend the things that were said.

Luke 9:45

But they did not understand this statement, and it was concealed from them so that they would not perceive it; and they were afraid to ask Him about this statement.

Mark 9:10

They seized upon that statement, discussing with one another what rising from the dead meant.

John 12:16

These things His disciples did not understand at the first; but when Jesus was glorified, then they remembered that these things were written of Him, and that they had done these things to Him.

John 16:19

Jesus knew that they wished to question Him, and He said to them, “Are you deliberating together about this, that I said, ‘A little while, and you will not see Me, and again a little while, and you will see Me’?

Mark 7:18

And He *said to them, “Are you so lacking in understanding also? Do you not understand that whatever goes into the man from outside cannot defile him,

Mark 8:17-18

And Jesus, aware of this, *said to them, “Why do you discuss the fact that you have no bread? Do you not yet see or understand? Do you have a hardened heart?

Mark 8:33

But turning around and seeing His disciples, He rebuked Peter and *said, “Get behind Me, Satan; for you are not setting your mind on God’s interests, but man’s.”

Mark 16:14

Afterward He appeared to the eleven themselves as they were reclining at the table; and He reproached them for their unbelief and hardness of heart, because they had not believed those who had seen Him after He had risen.

Luke 24:45

Then He opened their minds to understand the Scriptures,

John 4:27

At this point His disciples came, and they were amazed that He had been speaking with a woman, yet no one said, “What do You seek?” or, “Why do You speak with her?”

Treasury of Scripture Knowledge

Summary

But they understood not that saying, and were afraid to ask him.

General references

Bible References

Were

Mark 7:18
And He *said to them, “Are you so lacking in understanding also? Do you not understand that whatever goes into the man from outside cannot defile him,
Mark 8:17
And Jesus, aware of this, *said to them, “Why do you discuss the fact that you have no bread? Do you not yet see or understand? Do you have a hardened heart?
Mark 16:14
Afterward He appeared to the eleven themselves as they were reclining at the table; and He reproached them for their unbelief and hardness of heart, because they had not believed those who had seen Him after He had risen.
John 4:27
At this point His disciples came, and they were amazed that He had been speaking with a woman, yet no one said, “What do You seek?” or, “Why do You speak with her?”
John 16:19
Jesus knew that they wished to question Him, and He said to them, “Are you deliberating together about this, that I said, ‘A little while, and you will not see Me, and again a little while, and you will see Me’?

General references

Matthew 15:16
Jesus said, “Are you still lacking in understanding also?
Luke 9:45
But they did not understand this statement, and it was concealed from them so that they would not perceive it; and they were afraid to ask Him about this statement.
Luke 18:34
But the disciples understood none of these things, and the meaning of this statement was hidden from them, and they did not comprehend the things that were said.