Ye know not what ye ask] Ye understand not what the nature of my Kingdom is, else ye would not put up such a suit. Hence it appears, that they joyned in the suit, or set their mother on work to do it; for our Saviour answers them. See Mark 10, 35. Ye think, those that have prime place in my Kingdom, shall have much honour and ease, and all manner of commodities: but it is clean contrary; for they are more exposed to troubles and crosses. of the cup that I shall drink of] A metaphor taken from a man condemned to die by drinking poison, as Psalms 11:6. Isaiah 51:17. Job 18:11. Ezekiel 23:32. with the baptism] A comparison taken from the manner of baptizing then, by dipping them over head and ears in the water. By these two similitudes our Saviour sets out his passion, Luke 12:50. See Psalms 69:2. We are able] They took it literally, and knew they were able to do it: for they had often drunk of his cup, and had been baptized as he was.