Les Faits Ne Parlent Pas. Facts Do

One Geometry Cannot Be More True Than Another; It Can Only Be More Convenient.

Mathematical Discoveries, Small Or Great Are Never Born Of Spontaneous Generation.

If We Ought Not To Fear Mortal Truth, Still Less Should We Dread Scientific Truth. In The First Place It Can Not Conflict With Ethics? But If Science Is Feared, It Is Above All Because It Can Give No Happiness? Man, Then, Can Not Be Happy Through Science But Today He Can Much Less Be Happy Without It.

But All Of My Efforts Served Only To Make Me Better Acquainted With The Difficulty, Which In Itself Was Something.

Thought Must Never Submit, Neither To A Dogma, Nor To A Party, Nor To A Passion, Nor To An Interest, Nor To A Preconceived Idea, Nor To Whatever It May Be, Save To The Facts Themselves, Because, For Thought, Submission Would Mean Ceasing To Be.