François de La Rochefoucauld 488
Escritor, moralista e memorialista francês 1613–1680Citações relacionadas

Paul Halmos
(1916–2006)
A good stock of examples, as large as possible, is indispensable for a thorough understanding of any concept, and when I want to learn something new, I make it my first job to build one.
citado em "Mathematically speaking: a dictionary of quotations" - Página 68, Alma E. Cavazos-Gaither - CRC Press, 1998, ISBN 0750305037, 9780750305037 - 484 páginas