In Teaching Man, Experimental Science Results In

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.

Priestley [said] That Each Discovery We Make Shows Us Many Others That Should Be Made.

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.

Science Rejects The Indeterminate.

Feeling Alone Guides The Mind.