Quotes / The Master

The Master: I am usually referred to as the Master.
Circus Worker: Oh, is that so?
The Master: Universally.

Martha: You gonna tell us who he is?
The Doctor: He's a Time Lord.
Martha: What about the rest of it? I mean, who'd call himself "the Master"?

"It's Missy. Short for Mistress. Well, I couldn't very well keep calling myself 'The Master', now could I?"