A Physicist Is Just An

One Must Always Do What One Really Cannot.

The Present State Of Atomic Theory Is Characterized By The Fact That We Not Only Believe The Existence Of Atoms To Be Proved Beyond A Doubt, But Also We Even Believe That We Have An Intimate Knowledge Of The Constituents Of The Individual Atoms.

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.'

Every Great And Deep Difficulty Bears In Itself Its Own Solution. It Forces Us To Change Our Thinking In Order To Find It.

It Is The Hallmark Of Any Deep Truth That Its Negation Is Also A Deep Truth.