The Only Secure Knowledge Is

I Should Consider That I Know Nothing About Physics If I Were Able To Explain Only How Things Might Be, And Were Unable To Demonstrate That They Could Not Be Otherwise.

In The Matter Of A Difficult Question It Is More Likely That The Truth Should Have Been Discovered By The Few Than By The Many.

Few Look For Truth; Many Prowl About For A Reputation Of Profundity By Arrogantly Challenging Whichever Arguments Are The Best.

I Suppose Therefore That All Things I See Are Illusions; I Believe That Nothing Has Ever Existed Of Everything My Lying Memory Tells Me. I Think I Have No Senses. I Believe That Body, Shape, Extension, Motion, Location Are Functions. What Is There Then That Can Be Taken As True? Perhaps Only This One Thing, That Nothing At All Is Certain.

An Optimist May See A Light Where There Is None, But Why Must The Pessimist Always Run To Blow It Out?