God Casts The Die, Not The Dice.

The Supreme Goal Of All Theory Is To Make The Irreducible Basic Elements As Simple And As Few As Possible Without Having To Surrender The Adequate Representation Of A Simple Datum Of Experience.

Nothing Is More Destructive Of Respect For The Government And The Law Of The Land Than Passing Laws Which Cannot Be Enforced.

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.

The Monotony And Solitude Of A Quiet Life Stimulates The Creative Mind.

Never Lose A Holy Curiosity.