Jacques Hadamard
The shortest path between two truths in the real domain passes through the complex domain.Collection: Real
Logic merely sanctions the conquests of the intuition.Collection: Intuition
The object of mathematical rigor is to sanction and legitimize the conquests of intuition, and there was never any other object for it.Collection: Intuition
Practical application is found by not looking for it, and one can say that the whole progress of civilization rests on that principle.Collection: Math
Can the existence of a mathematical entity be proved without defining it ?Collection: Defining
To parents who despair because their children are unable to master the first problems in arithmetic I can dedicate my examples. For, in arithmetic, until the seventh grade I was last or nearly last.Collection: Children