Those Who Are Not Shocked When They

The Old Saying Of The Two Kinds Of Truth. To The One Kind Belongs Statements So Simple And Clear That The Opposite Assertion Obviously Could Not Be Defended. The Other Kind, The So-called 'deep Truths', Are Statements In Which The Opposite Also Contains Deep Truth.

A Visitor To Niels Bohr's Country Cottage, Noticing A Horseshoe Hanging On The Wall, Teasing The Eminent Scientist About This Ancient Superstition. "can It Be True That You, Of All People, Believe It Will Bring You Luck?' 'of Course Not,' Replied Bohr, 'but I Understand It Brings You Luck Whether You Believe It Or Not.'

The Best Weapon Of A Dictatorship Is Secrecy, But The Best Weapon Of A Democracy Should Be The Weapon Of Openness.

In Physics We Deal With States Of Affairs Much Simpler Than Those Of Psychology And Yet We Again And Again Learn That Our Task Is Not To Investigate The Essence Of Things-we Do Not At All Know What This Would Mean&mash;but To Develop Those Concepts That Allow Us To Speak With Each Other About The Events Of Nature In A Fruitful Manner.

Anybody Who Is Not Shocked By This Subject Has Failed To Understand It. [of Quantum Mechanics]