When The Going Gets Tough, The Tough

A Model Is A Good Model If First It Interprets A Wide Range Of Observations In Terms Of A Simple And Elegant Model, And Second If The Model Makes Definite Predictions That Can Be Tested, And Possibly Falsified, By Observation.

My Goal Is Simple. It Is A Complete Understanding Of The Universe, Why It Is As It Is And Why It Exists At All.

I Put A Lot Of Effort Into Writing 'a Briefer History' At A Time When I Was Critically Ill With Pneumonia Because I Think That It's Important For Scientists To Explain Their Work, Particularly In Cosmology. This Now Answers Many Questions Once Asked Of Religion.

If I Have Questions About The Universe On My Mind When I Go To Bed, I Can't Turn Off. I Dream Equations All Night.

We Are Entering An Increasingly Dangerous Period Of Our History. But I'm An Optimist.