We Are Entering An Increasingly Dangerous Period

Nothing Is Fool-proof To A Sufficiently Talented Fool.

Someone Told Me That Each Equation I Included In My Book Would Halve The Sales. I Did Put In One Equation, Einstein's Famous Equation, E = Mc Squared. I Hope That This Will Not Scare Off Half Of My Potential Readers.

I Have Sold More Books On Physics Than Madonna Has On Sex. [hawking Adopted This Statement From A Remark Made To Him By His Former Post-doc, Nathan Myhrvold.]

So Great A Contribution To Physics Was Two New Sciences That Scholars Have Long Maintained That The Book Anticipated Isaac Newton's Laws Of Motion.

We Explore Because We Are Human And We Want To Know. I Hope That Pluto Will Help Us On That Journey.