We humans are the greatest of earth's parasites.

You must learn to talk clearly. The jargon of scientific terminology which rolls off your tongues is mental garbage.

None of the great discoveries was made by a 'specialist' or a 'researcher'.

The practice of medicine is a thinker's art the practice of surgery a plumber's.

I had found myself a new mission - and once more my recurring dilemma between corporate commercial needs and personal scientific ambitions was solved unexpectedly.

Economists agree about economics - and that's a science - and they disagree about economic policy because that's a value judgment... I've had profound disagreements on policy with the famous Milton Friedman. But, on economics, we agree.

Lots of science fiction deals with distant times and places. Intrepid prospectors in the Asteroid Belt. Interstellar epics. Galactic empires. Trips to the remote past or future.

Modern scientific knowledge appeared piecemeal. Historians wrote about human history; physicists tackled the material world; and biologists studied the world of living organisms. But there were few links between these disciplines, as researchers focused on getting the details right.