Chance favours a prepared mind.

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

Chance favors the prepared mind.

Question your priorities often, make sure God always comes first.

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.

Messieurs, c'est les microbes qui auront le dernier mot." (Gentlemen, it is the microbes who will have the last word.)

In the realm of scientific observation, luck is granted only to those who are prepared.