Every New Concept First Comes To The

Whenever A Man Acts Purposively, He Acts Under A Belief In Some Experimental Phenomenon. Consequently, The Sum Of The Experimental Phenomena That A Proposition Implies Makes Up Its Entire Bearing Upon Human Conduct.

It Is... Easy To Be Certain. One Has Only To Be Sufficiently Vague.

We Cannot Begin With Complete Doubt. We Must Begin With All The Prejudices Which We Actually Have When We Enter Upon The Study Ofphilosophy. These Prejudices Are Not To Be Dispelled By A Maxim, For They Are Things Which It Does Not Occur To Us Can Be Questioned. A Person May, It Is True, In The Course Of His Studies, Find Reason To Doubt What He Began By Believing; But In That Case He Doubts Because He Has A Positive Reason For It, And Not On Account Of The Cartesian Maxim. Let Us Not Pretend To Doubt In Philosophy What We Do Not Doubt In Our Hearts.

We Cannot Begin With Complete Doubt.

The Woof And Warp Of All Thought And All Research Is Symbols, And The Life Of Thought And Science Is The Life Inherent In Symbols; So That It Is Wrong To Say That A Good Language Is Important To Good Thought, Merely; For It Is The Essence Of It.