“In the fields of observation chance favours only the prepared mind.”

— Louis Pasteur, Lecture, University of Lille (1854)

About Louis Pasteur

1822 – 1895

French chemist and microbiologist who developed pasteurization and helped establish the germ theory of disease.

“Chance favors only the prepared mind.”

“There does not exist a category of science to which one can give the name applied science.”

“Live in the serene peace of laboratories and libraries.”

“There is nothing either good or bad, but thinking makes it so.”

“Remember that all is opinion.”

“By a tranquil mind I mean nothing else than a mind well ordered.”

“Thought is all light, and publishes itself to the universe.”

“Up! mind thine own aim, and God speed the mark!”

“The real and lasting victories are those of peace, and not of war.”