The Eleven and The Doctor in Doctor Who

Why? Why do you do their bidding?

It's called "responsibility"! You wouldn't understand.

Oh, I understand, alright... You're ashamed of what you are.

As Time Lords, we have power. Immense, unfettered power. We make a difference to the rest of the universe...

Precisely! We can change it -- shape it in our own image!

Or we can grant people to live as they wish.