It's creating a brain drain. We could end up with a society without knowledge. How can such a society make progress?

Professors have been threatened. Doctors have been killed in their clinics. Killing has become common. Some people believe this is intentional, to try to empty Iraq of its elite.

They may come back if it's safe.

The open society, the unrestricted access to knowledge, the unplanned and uninhibited association of men for its furtherance - these are what may make a vast, complex, ever growing, ever changing, ever more specialized and expert technological world, nevertheless a world of human community.

The Poet binds together by passion and knowledge the vast empire of human society, as it is spread over the whole earth, and over all time.

Every man's a valuable member of society who, by his observations, researches, and experiments, procures knowledge for men.