[David Tennant's] Doctor has such humanity, he seems to understand us and he's very warm, so he's a comforting Doctor to be with, and he enables us to be slightly scarier than we had been.

You are worthy of love and respect. You are beautiful, gifted, and intelligent. Don't let the storm make you forget it.

Wilf: God bless the cactuses! The Doctor: That's cactI. Alien: And that's racist!

I would rather be confused for 10 minutes than bored for 5 seconds.

Anything works, as long as you write it properly.

There's nothing better than a party that turns into a death trap.

Doctor Who: You want weapons? We're in a library. Books are the best weapon in the world. This room's the greatest arsenal we could have. Arm yourself! (from Tooth and Claw in Season 2)

There's one tiny little gap in the universe left, just about to close. And it takes a lot of power to send this projection. I'm in orbit around a supernova. I'm burning up a sun just to say good bye.

I love having debates with people when they are debates but some people, you just can't. Some people shouldn't be given the oxygen.

I am the Bad Wolf. I create myself. I take the words. I scatter them... in time, and space. A message to lead myself here.

I saw the Fall of Troy! World War Five! I was pushing boxes at the Boston Tea Party! Now I'm gonna die in a dungeon.... [disgustedly] in Cardiff!

My heart starts to pound as he gets closer and closer to the stands, never taking his eyes off me.

..., dying seems like the greatest weakness, and in a world where people say you're lazy for not shaving your legs, then being dead seems like the ultimate character flaw. Chapter I.

again I am torn between the necessity and the impossibility of answering.

The world is the book of women. Whatever knowledge they may possess is more commonly acquired by observation than by reading.

People who think in absolutes usually don't listen to anyone but themselves. They resist new ideas and try to preserve the status quo.

Rid yourself of anything that is not directed toward God.

When one really loves, one can never be hurt.

Quit living as if the purpose of life is to arrive safely at death.

Not hammer-strokes, but dance of the water, sings the pebbles into perfection.