Science Increases Our Power In Proportion As

Progress Is Achieved By Exchanging Our Theories For New Ones Which Go Further Than The Old, Until We Find One Based On A Larger Number Of Facts. ... Theories Are Only Hypotheses, Verified By More Or Less Numerous Facts. Those Verified By The Most Facts Are The Best, But Even Then They Are Never Final, Never To Be Absolutely Believed.

The Minds That Rise And Become Really Great Are Never Self-satisfied, But Still Continue To Strive.

Man Does Not Limit Himself To Seeing; He Thinks And Insists On Learning The Meaning Of Phenomena Whose Existence Has Been Revealed To Him By Observation. So He Reasons, Compares Facts, Puts Questions To Them, And By The Answers Which He Extracts, Tests One By Another. This Sort Of Control, By Means Of Reasoning And Facts, Is What Constitutes Experiment, Properly Speaking; And It Is The Only Process That We Have For Teaching Ourselves About The Nature Of Things Outside Us.

Hatred Is The Most Clear- Sighted, Next To Genius.

In A Word, I Consider Hospitals Only As The Entrance To Scientific Medicine; They Are The First Field Of Observation Which A Physician Enters; But The True Sanctuary Of Medical Science Is A Laboratory; Only There Can He Seek Explanations Of Life In The Normal And Pathological States By Means Of Experimental Analysis.