But Jesus said to them, "You do not know what you ask. Are you able to drink the cup that I drink, and be baptized with the baptism that I am baptized with?"
Mark 10:38
Surrounding context
10:37 They said to Him, "Grant us that we may sit, one on Your right hand and the other on Your left, in Your glory."
10:38 But Jesus said to them, "You do not know what you ask. Are you able to drink the cup that I drink, and be baptized with the baptism that I am baptized with?"
10:39 They said to Him, "We are able." So Jesus said to them, "You will indeed drink the cup that I drink, and with the baptism I am baptized with you will be baptized;