People assume that time is a strict progression of cause to effect, but *actually* from a non-linear, non-subjective viewpoint - it's more like a big ball of wibbly wobbly... time-y wimey... stuff.

Madness is just what a genius looks like to a tiny mind.

Never ignore a coincidence. Unless you're busy, in which case, always ignore a coincidence.

The difference between a beautifully made failure and a beautifully made hit is who you've got playing the leads.

[The Doctor, Capt. Jack and Rose are cornered by the empty children.] The Doctor: Go to your room! Go to your room! I mean it. I'm very, very angry with you. I'm very, very cross! GO! TO! YOUR! ROOM! [The children lurch away and obey him.] I'm really glad that worked. Those would have been terrible last words.

When you're surrounded by friends and exes, there's a whole lot of stuff that starts crawling out. But however serious and traumatic those experiences may be to the participant, to the onlooker they're hilarious.

Amy: I had something I wanted to tell him. Stuff always gets in the way. Canton: Stuff does that.