A Man Can't Retire His Experience.

You Don't Have To Blow Out The Other Person's Light To Let Your Own Shine.

So Efficient Are The Available Instruments Of Slavery; Fingerprints, Lie Detectors, Brain Washings, Gas Chambers; That We Shiver At The Thought Of Political Change Which Might Put These Instruments In The Hands Of Men Of Hate.

The Greatest Blessing Of Our Democracy Is Freedom. But In The Last Analysis, Our Only Freedom Is The Freedom To Discipline Ourselves.

Always Do One Thing Less Than You Think You Can Do.

Science Has Taught Us How To Put The Atom To Work. But To Make It Work For Good Instead Of For Evil Lies In The Domain Dealing With The Principles Of Human Dignity. We Are Now Facing A Problem More Of Ethics Than Of Physics.