Blessed Is He Who Carries Within Himself

The Nights Seem To Me Too Long... I Am Often Scolded By Madame Pasteur, But I Tell Her I Shall Lead Her To Fame.

Great Problems Are Now Being Handled, Keeping Every Thinking Man In Suspense; The Unity Or Multiplicity Of Human Races; The Creation Of Man 1,000 Years Or 1,000 Centuries Ago; The Fixity Of Species, Or The Slow And Progressive Transformation Of One Species Into Another; The Eternity Of Matter; The Idea Of A God Unnecessary: Such Are Some Of The Questions That Humanity Discusses Nowadays.

I Propose To Provide Proof... That Just As Always An Alcoholic Ferment, The Yeast Of Beer, Is Found Where Sugar Is Converted Into Alcohol And Carbonic Acid, So Always A Special Ferment, A Lactic Yeast, Is Found Where Sugar Is Transformed Into Lactic Acid. And, Furthermore, When Any Plastic Nitrogenated Substance Is Able To Transform Sugar Into That Acid, The Reason Is That It Is A Suitable Nutrient For The Growth Of The [lactic] Ferment.

Without Theory, Practice Is But Routine Born Of Habit. Theory Alone Can Bring Forth And Develop The Spirit Of Inventions.

Preconceived Ideas Are Like Searchlights Which Illumine The Path Of The Experimenter And Serve Him As A Guide To Interrogate Nature. They Become A Danger Only If He Transforms Them Into Fixed Ideas-this Is Why I Should Like To See These Profound Words Inscribed On The Threshold Of All The Temples Of Science: 'the Greatest Derangement Of The Mind Is To Believe In Something Because One Wishes It To Be So.'