A 'philosophical dictionary' is not a dictionary of philosophy that you use to look up obscure thinkers or recondite terms. It is a collection of brief and pithy essays on diverse topics, informed by one vision, and usually arranged in alphabetical order.

I'm a dilettante. My governing word is 'curiosity.'

Some people say they use images to help them remember intricacies. Others say they just remember. If they are able to form an image of the face, it is because they remember how it was: it is not that an image guides memory, but that memory produces an image, or the sense of imaging. We have no agreed way to talk clearly about such things.

Each of us becomes a new person as we re-describe the past.

Science cannot progress without reliable and accurate measurement of what it is you are trying to study. The key is measurement, simple as that.

On a really big budget movie you do chemistry reads, and you sort of hedge your bets a little bit more and make sure that these people get along. But on the low budget side of things, I have to trust my gut that when I cast these people, the various elements are going to play together.

The powers, aspirations, and mission of man are such as to raise the study of his origin and nature, inevitably and by the very necessity of the case, from the mere physiological to the psychological stage of scientific operations.

I began reading science fiction before I was 12 and started writing science fiction around the same time.