I Give Them Experiments And They Respond

If Science Has No Country, The Scientist Should Have One, And Ascribe To It The Influence Which His Works May Have In This World.

In Matters Of Observation Chance Favors Only The Prepared Mind. (not Literal Translation) - Dan's Les Champs De Observation Le Hasard Ne Favorise Que Les Esprits Prepares.

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.

Whether Our Efforts Are, Or Not, Favored By Life, Let Us Be Able To Say, When We Come Near To The Great Goal, I Have Done What I Could.

If It Is A Terrifying Thought That Life Is At The Mercy Of The Multiplication Of These Minute Bodies [microbes], It Is A Consoling Hope That Science Will Not Always Remain Powerless Before Such Enemies.