Quotes

The world of science and the world of literature have much in common. Each is an international club, helping to tie mankind together across barriers of nationality, race and language. I have been doubly lucky, being accepted as a member of both.

As measured from space, the whole earth is growing greener as a result of carbon dioxide, so it's increasing agricultural yields. It's increasing forests and it's increasing growth in the biological world, and that's more important for sure than the effects on climate.

[2010, on the Nobel Prize for physics] Every year I expect Stephen Hawking to be chosen and every year I am disappointed.