There does not exist a category of science to which one can give the name applied science. There are sciences and the applications of science, bound together as the fruit of the tree which bears it.

Live in the serene peace of laboratories and libraries

Imagination should give wings to our thoughts but we always need decisive experimental proof, and when the moment comes to draw conclusions and to interpret the gathered observations, imagination must be checked and documented by the factual results of the experiment.

Inspiration is the impact of a fact on a well-prepared mind

There is no such thing as applied science, only the application of pure science.

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

Did you ever observe to whom the accidents happen? Chance favors only the prepared mind.