Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.

Melting of the huge Antarctic glaciers, proceeding more rapidly than anticipated, threatens a rise in sea level that will drive tens of millions from the low-lying plains of Bangladesh alone, with disastrous consequences elsewhere.

Mexico is a pretty poor country, but they are maintaining a free, high quality public education system, not for everyone of course but pretty substantial.

Democracy is a danger to any powerful group.

Citizenship means every four years you put a mark somewhere and you go home and let other guys run the world. It's a very destructive ideology.

I have written occasionally on links between my scientific work and political thinking, but not much, because the links seem to me abstract and speculative.

The invasion of Iraq was simply a war crime. Straight-out war crime.