Young Reinette: Monsieur, Be Careful! The Doctor:

Hitler: Thank You, Whoever You Are. I Think You Just Saved My Life. The Doctor: Believe Me... It Was An Accident.

I Can't See What's Wrong About Assuming Intelligence In Your Audience And What's Bad News About Being Rewarded For Assuming That.

Every Episode [in A Tv Series] Is A Challenge, And What's Challenging In Most Episodes Is The Monster. You're Always A Heartbeat From The Monster Looking Ridiculous. You Really Have To Work So Hard To Make Them Not Look Like Ridiculous When They Turn Up On The Set.

Never Ignore A Coincidence. Unless You're Busy, In Which Case, Always Ignore A Coincidence.

There's Something That Doesn't Make Sense. Let's Go And Poke It With A Stick.