Belief In An External World Independent Of

The Belief In An External World Independent Of The Perceiving Subject Is The Basis Of All Natural Science. Since, However, Sense Perception Only Gives Information Of This External World Or Of "physical Reality" Indirectly, We Can Only Grasp The Latter By Speculative Means. It Follows From This That Our Notions Of Physical Reality Can Never Be Final. We Must Always Be Ready To Change These Notions - That Is To Say, The Axiomatic Basis Of Physics - In Order To Do Justice To Perceived Facts In The Most Perfect Way.

Look Deep Into Nature, And Then You Will Understand Everything Better.

I Have Never Belonged Wholeheartedly To A Country, A State, Nor To A Circle Of Friends, Nor Even To My Own Family. When I Was Still A Rather Precocious Young Man, I Already Realized Most Vividly The Futility Of The Hopes And Aspirations That Most Men Pursue Throughout Their Lives. Well-being And Happiness Never Appeared To Me As An Absolute Aim. I Am Even Inclined To Compare Such Moral Aims To The Ambitions Of A Pig.

The Only Sure Way To Avoid Making Mistakes Is To Have No New Ideas.

An Attempt At Visualizing The Fourth Dimension: Take A Point, Stretch It Into A Line, Curl It Into A Circle, Twist It Into A Sphere, And Punch Through The Sphere.