A Fact In Itself Is Nothing. It

Descriptive Anatomy Is To Physiology What Geography Is To History, And Just As It Is Not Enough To Know The Typography Of A Country To Understand Its History, So Also It Is Not Enough To Know The Anatomy Of Organs To Understand Their Functions.

Il Ne Fallait Jamais Faire Des Expériences Pour Confirmer Ses Idées, Mais Simplement Pour Les Contrôler. We Must Never Make Experiments To Confirm Our Ideas, But Simply To Control Them.

True Science Teaches Us To Doubt And, In Ignorance, To Refrain.

When We Meet A Fact Which Contradicts A Prevailing Theory, We Must Accept The Fact And Abandon The Theory, Even When The Theory Is Supported By Great Names And Generally Accepted.

In The Patient Who Succumbed, The Cause Of Death Was Evidently Something Which Was Not Found In The Patient Who Recovered; This Something We Must Determine, And Then We Can Act On The Phenomena Or Recognize And Foresee Them Accurately. But Not By Statistics Shall We Succeed In This; Never Have Statistics Taught Anything, And Never Can They Teach Anything About The Nature Of The Phenomenon.