When We Are Working At Something, We

I Recently Discussed With An Intelligent And Well-disposed Man The Threat Of Another War, Which In My Opinion Would Seriously Endanger The Existence Of Mankind, And I Remarked That Only A Supranational Organization Would Offer Protection From That Danger. Thereupon My Visitor, Very Calmly And Coolly, Said To Me: "why Are You So Deeply Opposed To The Disappearance Of The Human Race?".

Relations Between Pure And Applied Mathematicians Are Based On Trust And Understanding. Namely, Pure Mathematicians Do Not Trust Applied Mathematicians, And Applied Mathematicians Do Not Understand Pure Mathematicians.

I Know Little About Nature And Hardly Anything About Men.

Scarcely Anyone Who Comprehends This Theory Can Escape Its Magic.

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.