As In The Experimental Sciences, Truth Cannot

Messieurs, C'est Les Microbes Qui Auront Le Dernier Mot." (gentlemen, It Is The Microbes Who Will Have The Last Word.)

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.

Analogy Cannot Serve As Proof.

My Opinion - Nay More, My Conviction - Is That, In The Present State Of Science, As You Rightly Say, Spontaneous Generation Is A Chimera; And It Would Be Impossible For You To Contradict Me, For My Experiments All Stand Forth To Prove That Spontaneous Generation Is A Chimera.

Worship The Spirit Of Criticism. If Reduced To Itself It Is Not An Awakener Of Ideas Or A Stimulant To Great Things, But, Without It, Everything Is Fallible; It Always Has The Last Word.