We are the universe experiencing itself.

I worry that, especially as the Millennium edges nearer, pseudo-science and superstition will seem year by year more tempting, the siren song of unreason more sonorous and attractive.

There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.

Writing a novel is like trying to solve a very long mathematical equation. Changing anything can change everything else.

Each of us is a tiny being, permitted to ride on the outermost skin of one of the smaller planets for a few dozen trips around the local star.

Except for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the way it is . . .

Humans are very good at dreaming, although you'd never know it from your television.