Sméagol: We knows safe paths for Hobbitses. Safe paths in the dark.
Gollum: Shut up!
Bilbo: I didn't say anything.
Gollum: I wasn't talking to you.
Hello, me, it's me again
You can subdue, but never tame me
It gives me a migraine headache
Thinking down to your level
Yea, just keep on thinking it's my fault
And stay an inch or two outta kicking distance
Mankind has got to know
—Megadeth, "Sweating Bullets"
Romana: Talking to yourself is a sign of insanity, Doctor.
Fourth Doctor: Insanity? Me? That's ridiculous! I'm a stabilizing force of the universe!
Seventh Doctor: I just think one of us could do a better job alone. "Too many bakers spoils the crust."
Sixth Doctor: And what is that supposed to mean?