This was due partly to his extreme modesty and partly to the fact that in France the main trend of mathematical research after 1900 was in the field of function theory, but chiefly to his extraordinary originality.
Ito ay dahil sa kanyang matinding bahagyang-loob at bahagyang na ang katunayan na sa France ang pangunahing takbo ng matematika pananaliksik matapos ang 1900 ay sa larangan ng teorya ng pag-andar, ngunit higit sa lahat sa kanyang pagiging katangi-tangi.