I have never yet met a healthy person who worried very much about his health, or a really good person who worried much about his own soul.

An attempt to study the evolution of living organisms without reference to cytology would be as futile as an account of stellar evolution which ignored spectroscopy.

I do not believe in the commercial possibility of induced radioactivity.

If one could conclude as to the nature of the Creator from a study of creation it would appear that God has an inordinate fondness for stars and beetles.

There is no great invention, from fire to flying, which has not been hailed as an insult to some god.

Science is vastly more stimulating to the imagination than the classics.

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.