See, brother John and I would like to be nearest you, one on your right hand, the other on your left, so that we may have you between us then as we have you now." Upon which Jesus said: "This is not the first time that you have talked thus foolishly.

You don't know what you want.

I tell you, when you have done what I do, and have suffered what I shall suffer, then you may come and ask." They replied: "Lord, we will do what you do and suffer what you suffer." These resolute words pleased Him, and He said nothing of the enormous distance between Him and them.

They were too simple to understand that.

He only said: "Leave that to Him who will show you your place.
For every ruler has rulers over him; One alone has no authority above Him.