The First Requirement In Using Statistics Is

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

Mediocre Men Often Have The Most Acquired Knowledge. It Is In The Darker. It Is In The Darker Regions Of Science That Great Men Are Recognized; They Are Marked By Ideas Which Light Up Phenomena Hitherto Obscure And Carry Science Forward.

Proof That A Given Condition Always Precedes Or Accompanies A Phenomenon Does Not Warrant Concluding With Certainty That A Given Condition Is The Immediate Cause Of That Phenomenon. It Must Still Be Established That When This Condition Is Removed, The Phenomen Will No Longer Appear.

The Great Experimental Principle, Then, Is Doubt, That Philosophic Doubt Which Leaves To The Mind Its Freedom And Initiative, And From Which The Virtues Most Valuable To Investigators In Physiology And Medicine Are Derived.

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.