“You do not know what you are asking,” Jesus replied. “Can you drink the cup I will drink, or be baptized with the baptism I will undergo?”
Here is, I. Christ's prediction of his own sufferings; this string he harped much upon, though in the ears of his disciples it sounded very harsh and unpleasing. 1. See here how bold he was; when they were going up to Jerusalem, Jesus went before them, as the captain of our salvation, that was now to be made perfect through sufferings, Mar 10:32.
Commenting on Mark 10:32-45
And when the ten heard it,.... The request made by the sons of Zebedee or their mother for them: they began to be much displeased with James and John; Matthew says "they were moved with indignation against them", Mat 20:24; they were filled with, wrath and were very angry with them; which they showed in their countenances and by their behaviour towards them as well...
Verse 38. (y) "Ye know not what you ask" (z) "baptism"