Hypotheses Are What We Lack The Least.

It Is Not Order Only, But Unexpected Order, That Has Value.

Geometry Is The Art Of Correct Reasoning From Incorrectly Drawn Figures.

I Entered An Omnibus To Go To Some Place Or Other. At That Moment When I Put My Foot On The Step The Idea Came To Me, Without Anything In My Former Thoughts Seeming To Have Paved The Way For It, That The Transformations I Had Used To Define The Fuchsian Functions Were Identical With Non-euclidean Geometry.

In One Word, To Draw The Rule From Experience, One Must Generalize; This Is A Necessity That Imposes Itself On The Most Circumspect Observer.

Point Set Topology Is A Disease From Which The Human Race Will Soon Recover.