He had never really speculated about this before, since demons came in all shapes and sizes. Indeed, some of them came in more than one shape or size all by themselves, such as O'Dear, the Demon of People Who Look in Mirrors and Think They're Overweight, and his twin, O'Really, the Demon of People Who Look in Mirrors and Think They're Slim When They're Not.

You can't prove that something doesn't exist. You can only prove that something does exist.

This life is filled with threats and danger, David. We face those that we have to face, and there will be times when we must make the choice to act for the greater good, even at risk to ourselves, but we do not lay down our lives needlessly. Each of us has only one life to live, and one life to give. There is no glory in throwing it away where there is no hope.

For in every adult there dwells the child that was, and in every child there lies the adult that will be.

This world is full of broken things: broken hearts, broken promises, broken people.

I'm a ghost," said the small figure, then added, a little uncertainly, "Boo?

We are not meant to know the time or the nature of our deaths (for all of us secretly hope that we may be immortal).