[last lines before regenerating]
The Doctor: It's the end. But the moment has been prepared for.
The Doctor: I envy you your TARDIS, Master.
The Master: Excellent, Doctor. Envy's the beginning of all true greatness.
The Doctor: Still, while there's life, there's six of one, half dozen of the other.
The Master: Woolly thinking, Doctor.
The Doctor: Yes, but very comforting when worn next to the skin.