Time And Space Are Modes By Which

Any Power Must Be An Enemy Of Mankind Which Enslaves The Individual By Power And By Force, Whether It Arises Under The Fascist Or The Communist Flag. All That Is Valuable In Human Society Depends Upon The Opportunity For Development Accorded To The Individual.

Not All Things Worth Counting Are Countable And Not All Things That Count Are Worth Counting.

I Am Content In My Later Years. I Have Kept My Good Humor And Take Neither Myself Nor The Next Person Seriously.

A Theory Is The More Impressive The Greater Is The Simplicity Of Its Premises, The More Different Are The Kinds Of Things It Relates And The More Extended The Range Of Its Applicability.

The Release Of Atomic Power Has Changed Everything Except Our Way Of Thinking ... The Solution To This Problem Lies In The Heart Of Mankind. If Only I Had Known, I Should Have Become A Watchmaker. (1945)