When I Approach A Child,

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.

When One Works And Imagines And Dreams Of Nothing Else Than The Search For Answers That God Has Posed, It Is Difficult To Be So Still.

A Bottle Of Wine Contains More Philosophy Than All The Books In The World.

Oh My Goodness The Mystery That Has Prompted My Objective. My Quality Lies Exclusively In My Tirelessness.

Without Theory, Practice Is But Routine Born Of Habit. Theory Alone Can Bring Forth And Develop The Spirit Of Invention. ... [do Not] Share The Opinion Of Those Narrow Minds Who Disdain Everything In Science Which Has Not An Immediate Application. ... A Theoretical Discovery Has But The Merit Of Its Existence: It Awakens Hope, And That Is All. But Let It Be Cultivated, Let It Grow, And You Will See What It Will Become.