If you are protected from dark things then you have no protection of, knowledge of, or understanding of dark things when they show up.

When angels go bad they are worse than anyone else. Remember Lucifer used to be an angel.

That's the trouble with living things. Don't last very long. Kittens one day, old cats the next. And then just memories. And the memories fade and blend and smudge together.

He stared up at the stars, and it seemed to him then that they were dancers, stately and graceful, performing a dance almost infinite in its complexity. He imagined he could see the very faces of the stars; pale, they were, and smiling gently, as if they had spent so much time above the world, watching the scrambling and the joy and the pain of the people below them, that they could not help being amused every time another little human believed itself the center of its world, as each of us does.

Amy: This time can we... lose the bunk beds? The Doctor: No Bunk beds are cool, a bed with a ladder, you can't beat that!

There's definitely a feeling with a short story that it's pure story telling. You're not really worried about theme. You're not going to stay with the characters long enough to live your life with them. And you have different kinds of relationships with them.

Actually I didn't shoot a man in Reno just to watch him die, but he could tell I was extremely cross.