50 And they understood not the saying which he spake unto them.
Luke 2:50 Cross References - JPS_ASV_Byz
Mark 9:32
32 But they understood not the saying, and were afraid to ask him.
Luke 9:45
45 But they understood not this saying, and it was concealed from them, that they should not perceive it, and they were afraid to ask him about this saying.
Luke 18:34
34 And they understood none of these things, and this saying was hid from them, and they perceived not the things that were said.