(1809 - 1882)
It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.
ThinkExist.com, Charles Darwin quotes (online). http://thinkexist.com/quotes/charles_darwin/
English Cosmologist and Theoretical Physicist
(1942 - )
I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image.
QuotationsPage.com, Stephen Hawking Quotes (online).
English Nurse in Crimean War and Statistician
(1820 - 1910)
About.com, Florence Nightingale Quotes (online).