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We Are Made Of Starstuff.

The Difference Between Physics And Metaphysics Is Not That The Practitioners Of One Are Smarter Than The Practitioners Of The Other. The Difference Is That The Metaphysicist Has No Laboratory.

The Prediction Of Nuclear Winter Is Drawn Not, Of Course, From Any Direct Experience With The Consequences Of Global Nuclear War, But Rather From An Investigation Of The Governing Physics.

Our Posturings, Our Imagined Self-importance , The Delusion That We Have Some Privileged Position In The Universe Are Challenged By This Point Of Pale Light.

When You Look More Generally At Life On Earth, You Find That It Is All The Same Kind Of Life. There Are Not Many Different Kinds; There's Only One Kind. It Uses About Fifty Fundamental Biological Building Blocks, Organic Molecules.