Mark 10:39-41

And they said to him, “We are able.” And Jesus said to them, “The cup that I drink you will drink, and with the baptism with which I am baptized, you will be baptized, but to sit at my right hand or at my left is not mine to grant, but it is for those for whom it has been prepared.” And when the ten heard it, they began to be indignant at James and John.