Keeping An Active Mind Has Been Vital

One Could Imagine Such Technology Outsmarting Financial Markets, Out-inventing Human Researchers, Out-manipulating Human Leaders, And Developing Weapons We Cannot Even Understand.

The Doctor Who Diagnosed Me With Als, Or Motor Neuron Disease, Told Me That It Would Kill Me In Two Or Three Years.

The Human Capacity For Guilt Is Such That People Can Always Find Ways To Blame Themselves

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.]

I Don't Think The Human Race Will Survive The Next Thousand Years, Unless We Spread Into Space. There Are Too Many Accidents That Can Befall Life On A Single Planet. But I'm An Optimist. We Will Reach Out To The Stars.