One Cannot Learn So Well As By

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.

To Get To Know A Country, You Must Have Direct Contact With The Earth. It's Futile To Gaze At The World Through A Car Window.

The Unleashed Power Of The Atom Has Changed Everything Except Our Thinking. Thus, We Are Drifting Toward Catastrophe Beyond Conception. We Shall Require A Substantially New Manner Of Thinking If Mankind Is To Survive.

The Solution To This Problem Lies In The Heart Of Mankind.

Most People Go On Living Their Everyday Life: Half-frightened, Half Indifferent, They Behold The Ghostly Tragic-comedy That Is Being Performed On The International Stage Before The Eyes And Ears Of The World.