If human beings could be propagated by cutting, like apple trees, aristocracy would be biologically sound.

I think, however, that so long as our present economic and national systems continue, scientific research has little to fear.

It wasn't until I had performed by first autopsy that I realized that even the drabest human exteriors could contain the most beautiful viscera. After that, I would console myself for the plainness of my fellow bus-riders by dissecting them in my imagination.

Teleology is like a mistress to a biologist: he cannot live without her but he's unwilling to be seen with her in public.

I am quite sure that our views on evolution would be very different had biologists studied genetics and natural selection before and not after most of them were convinced that evolution had occurred.

So far from being an isolated phenomenon the late war is only an example of the disruptive result that we may constantly expect from the progress of science.

Man armed with science is like a baby with a box of matches.