Science Does Not Permit Exceptions.

Ardent Desire For Knowledge, In Fact, Is The One Motive Attracting And Supporting Investigators In Their Efforts; And Just This Knowledge, Really Grasped And Yet Always Flying Before Them, Becomes At Once Their Sole Torment And Their Sole Happiness. Those Who Do Not Know The Torment Of The Unknown Cannot Have The Joy Of Discovery Which Is Certainly The Liveliest That The Mind Of Man Can Ever Feel.

Theories Are Like A Stairway; By Climbing, Science Widens Its Horizon More And More, Because Theories Embody And Necessarily Include Proportionately More Facts As They Advance.

The True Worth Of An Experimenter Consists In His Pursuing Not Only What He Seeks In His Experiment, But Also What He Did Not Seek.

When A Physician Is Called To A Patient, He Should Decide On The Diagnosis, Then The Prognosis, And Then The Treatment. ... Physicians Must Know The Evolution Of The Disease, Its Duration And Gravity In Order To Predict Its Course And Outcome. Here Statistics Intervene To Guide Physicians, By Teaching Them The Proportion Of Mortal Cases, And If Observation Has Also Shown That The Successful And Unsuccessful Cases Can Be Recognized By Certain Signs, Then The Prognosis Is More Certain.

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.