The Doubter Is A True Man Of

The Physiologist Is Not A Man Of The World, He Is A Scientist, A Man Caught And Absorbed By A Scientific Idea That He Pursues; He No Longer Hears The Cries Of The Animals, No Longer Sees The Flowing Blood, He Sees Only His Idea: Organisms That Hide From Him Problems That He Wants To Discover. He Doesn't Feel That He Is In A Horrible Carnage; Under The Influence Of A Scientific Idea, He Pursues With Delight A Nervous Filament Inside Stinking And Livid Flesh That For Any Other Person Would Be An Object Of Disgust And Horror.

The Investigator Should Have A Robust Faith - And Yet Not Believe.

When Entering On New Ground We Must Not Be Afraid To Express Even Risky Ideas So As To Stimulate Research In All Directions. As Priestley Put It, We Must Not Remain Inactive Through False Modesty Based On Fear Of Being Mistaken.

In Every Enterprise ... The Mind Is Always Reasoning, And, Even When We Seem To Act Without A Motive, An Instinctive Logic Still Directs The Mind. Only We Are Not Aware Of It, Because We Begin By Reasoning Before We Know Or Say That We Are Reasoning, Just As We Begin By Speaking Before We Observe That We Are Speaking, And Just As We Begin By Seeing And Hearing Before We Know What We See Or What We Hear.

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.