Mark 10:39

He said to them, “What do you want me to do for you?”

They said to him, “Grant to us that we may sit, one at your right hand and one at your left hand, in your glory.”

But Jesus said to them, “You don’t know what you are asking. Are you able to drink the cup that I drink, and to be baptized with the baptism that I am baptized with?”

but to sit at my right hand and at my left hand is not mine to give, but for whom it has been prepared.”

When the ten heard it, they began to be indignant toward James and John.

Jesus summoned them and said to them, “You know that they who are recognized as rulers over the nations lord it over them, and their great ones exercise authority over them.