Theories Are Like A Stairway; By Climbing,

Science Rejects The Indeterminate.

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.

Men Who Have Excessive Faith In Their Theories ... Make Poor Observations, Because They Choose Among The Results Of Their Experiments Only What Suits Their Object, Neglecting Whatever Is Unrelated To It And Carefully Setting Aside Everything Which Might Tend Toward The Idea They Wish To Combat

We Achieve More Than We Know. We Know More Than We Understand. We Understand More Than We Can Explain.