There Have Been Only Three

[on Sophie Germain] When A Person Of The Sex Which, According To Our Customs And Prejudices, Must Encounter Infinitely More Difficulties Than Men... Succeeds Nevertheless In Surmounting These Obstacles And Penetrating The Most Obscure Parts Of [number Theory], Then Without Doubt She Must Have The Noblest Courage, Quite Extraordinary Talents And Superior Genius.

Mathematical Discoveries, Like Springtime Violets In The Woods, Have Their Season Which No Human Can Hasten Or Retard.

You Know That I Write Slowly. This Is Chiefly Because I Am Never Satisfied Until I Have Said As Much As Possible In A Few Words, And Writing Briefly Takes Far More Time Than Writing At Length.

Ask Her To Wait A Moment - I Am Almost Done.

Mathematics Is Concerned Only With The Enumeration And Comparison Of Relations.