Everything That Is Really Great And Inspiring

Learn From Yesterday, Live For Today, Hope For Tomorrow. The Important Thing Is Not To Stop Questioning.

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.

I Am A Determinist. As Such, I Do Not Believe In Free Will. The Jews Believe In Free Will. They Believe That Man Shapes His Own Life. I Reject That Doctrine Philosophically. In That Respect I Am Not A Jew.

I'd Rather Be An Optimist And A Fool Than A Pessimist And Right.

Creativity Is Seeing What Others See And Thinking What No One Else Has Ever Thought.