Without Theory, Practice Is But

No, There Is Now No Circumstance Known In Which It Can Be Affirmed That Microscopic Beings Came Into The World Without Germs, Without Parents Similar To Themselves. Those Who Affirm It Have Been Duped By Illusions, By Ill-conducted Experiments, Spoilt By Errors That They Either Did Not Perceive Or Did Not Know How To Avoid.

To Demonstrate Experimentally That A Microscopic Organism Actually Is The Cause Of A Disease And The Agent Of Contagion, I Know No Other Way, In The Present State Of Science, Than To Subject The Microbe (the New And Happy Term Introduced By M. Sédillot) To The Method Of Cultivation Out Of The Body.

My Strength Lies Solely In My Tenacity.

These Are The Living Springs Of Great Thoughts And Great Actions. Everything Grows Clear In The Reflections From The Infinite.

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