We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet.

greed and stupidity.

Stephen Hawking

Like it on Facebook, Tweet it or share this question on other bookmarking websites.

833 Using e-mail, I can communicate with scientists all over the world.
788 Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.
786 Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.
799 My work and my family are very important to me.
815 In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity. America will be left behind if it doesn't change policy.

Loading suggestions...