I can say with pride verging on smugness that I've got two very successful shows that assume their audience is very smart.

The Doctor: Don't blink. Don't even blink. Blink and you're dead. Don't turn your back. Don't look away. And don't blink.

Fascinatingly confident, rude people are great.

It's a funny thing about stories. It doesn't feel like you make them up, more like you find them. You type and type and you know you haven't got it yet, because somewhere out there, there's that perfect thing -- the unexpected ending that was always going to happen. That place you've always been heading for, but never expected to go.

Everybody knows that everybody dies. But not every day. Not today. Some days are special. Some days are so, so blessed. Some days, nobody dies at all. Now and then, every once in a very long while, every day in a million days, when the wind stands fair and the Doctor comes to call, everybody lives.

All lives end. All hearts are broken. Caring is not an advantage.

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