Obervation Is A Passive Science, Experimentation Is

We Must Keep Our Freedom Of Mind, ... And Must Believe That In Nature What Is Absurd, According To Our Theories, Is Not Always Impossible.

Science Increases Our Power In Proportion As It Lowers Our Pride.

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

A Fact In Itself Is Nothing. It Is Valuable Only For The Idea Attached To It, Or For The Proof Which It Furnishes.

In These Researches I Followed The Principles Of The Experimental Method That We Have Established, I.e., That, In Presence Of A Well-noted, New Fact Which Contradicts A Theory, Instead Of Keeping The Theory And Abandoning The Fact, I Should Keep And Study The Fact, And I Hastened To Give Up The Theory.