Matthew 20:22 in the King James Version
But Jesus answered and said, Ye know not what ye ask. Are ye able to drink of the cup that I shall drink of, and to be baptized with the baptism that I am baptized with? They say unto him, We are able.
Context
21 He said to her, “What do you want?” She said to him, “Command that these, my two sons, may sit, one on your right hand and one on your left hand, in your Kingdom.”
22 But Jesus answered, “You don’t know what you are asking. Are you able to drink the cup that I am about to drink, and be baptized with the baptism that I am baptized with?” They said to him, “We are able.”
23 He said to them, “You will indeed drink my cup, and be baptized with the baptism that I am baptized with; but to sit on my right hand and on my left hand is not mine to give, but it is for whom it has been prepared by my Father.”