I'm not easily inhibited by the fact that I don't know something about a subject. It doesn't stop me from dabbling in it.

I'd like to put in a vote for the intrinsic fascination of science.

The single biggest threat to man's continued dominance on the planet is the virus.

I have many shortcomings. I feel very lucky to have been able to have what I've had.

I was a bad practicing physician because I was never sure of the diagnosis or of the treatment.

Everybody has to learn for the first time.

I don't believe anybody can really grasp everything that's even in one textbook.