If One Studies Too Zealously,

The World Needs Heroes And It's Better They Be Harmless Men Like Me Than Villains Like Hitler

A Model Should Be As Simple As It Can Be But No Simpler

Imagination Is The Most Powerful Force In The Universe.

I Must Try, However, As Best I Can, Although I Am Very Conscious Of The Fact That Our Feelings And Strivings Are Often Contradictory And Obscure And That They Cannot Be Expressed In Easy And Simple Formulas.

Life Isn't Worth Living, Unless It Is Lived For Someone Else.