Luke
Luke 9:45ESV·traditional attribution

But they did not understand this saying, and it was concealed from them, so that they might not perceive it. And they were afraid to ask him about this saying.

Matthew Henry Presbyterian @wholebiblehenry

We may observe here, I. The impression which Christ's miracles made upon all that beheld them (Luk 9:43): They were all amazed at the mighty power of God, which they could not but see in all the miracles Christ wrought.

Commenting on Luke 9:43-50

John Gill Reformed Baptist @doctorgill

And said unto them, whosoever shalt receive this child,.... Or "one such little child", as in Mat 18:5 and so the Syriac version here, "a child like to this"; and the Arabic version, "one like to this child"; not in age, but in meekness and humility; one that is not proud and haughty, ambitious of worldly honour, and envious at the superior state of others...

Albert Barnes Presbyterian @notesbybarnes

Verse 45. It was hid from them. They had imbibed the common notions of the Jews that he was to be a prince and a conqueror, to deliver the nation. They could not understand how that could be, if he was soon to be delivered into the hands of his enemies to die. In this way it was hid from them--not by God, but by their previous false belief.