I Make It A Rule Not To

If Someone Feels That He Has Never Made A Mistake In His Life, It Only Means That He Has Never Tried Anything New In His Life.

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

Failure Is Success In Progress

It Must Be Conceded That A Theory Has An Important Advantage If Its Basic Concepts And Fundamental Hypotheses Are 'close To Experience,' And Greater Confidence In Such A Theory Is Certainly Justified. There Is Less Danger Of Going Completely Astray, Particularly Since It Takes So Much Less Time And Effort To Disprove Such Theories By Experience. Yet More And More, As The Depth Of Our Knowledge Increases, We Must Give Up This Advantage In Our Quest For Logical Simplicity In The Foundations Of Physical Theory.

The Difference Between What The Most And The Least Learned People Know Is Inexpressibly Trivial In Relation To That Which Is Unknown.