Bad Reasoning As Well As Good Reasoning

This Branch Of Mathematics [probability] Is The Only One, I Believe, In Which Good Writers Frequently Get Results Which Are Entirely Erroneous.

The Pragmatist Knows That Doubt Is An Art Which Hs To Be Acquired With Difficulty.

Effort Supposes Resistance.

All The Evolution We Know Of Proceeds From The Vague To The Definite.

Another Characteristic Of Mathematical Thought Is That It Can Have No Success Where It Cannot Generalize.