Since the most ancient times, all men, and particularly those who endeavored in the practice of medicine, have brought closer together two natural phenomena of capital importance: illness or fever and fermentation.

Live in the serene peace of laboratories and libraries

Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.

I give them experiments and they respond with speeches.

The Greeks bequeathed to us one of the most beautiful words in our language--the word 'enthusiasm'--en theos--a god within. The grandeur of human actions is measured by the inspiration from which they spring. Happy is he who bears a god within, and who obeys it.

It would seem to me that I was committing a theft if I were to let one day go by without doing some work.

One must not assume that an understanding of science is present in those who borrow the language