Luke 9:45

9:45 But they did not understand this statement; its meaning had been concealed from them, so that they could not grasp it. Yet they were afraid to ask him about this statement.

Luke 18:34

18:34 But the twelve understood none of these things. This saying was hidden from them, and they did not grasp what Jesus meant.

Luke 24:25

24:25 So he said to them, “You foolish people – how slow of heart to believe all that the prophets have spoken!

Luke 24:45

24:45 Then he opened their minds so they could understand the scriptures,