"It is impossible to be a mathematician without being a poet in soul." Sofia Kovalevskaya

"God exists because mathematics is consistent. The devil exists because we cannot prove it." André Weil

"La pensée n'est qu'un éclair dans la nuit. Mais c'est cet éclair qui est tout." Henri Poincaré

-> Translation: "Thought is just a flash in the night. But it is this flash that is everything."

"We have not succeeded in answering all our problems. The answers we have found only serve to raise a whole set of new questions. In some way we feel we are as confused as ever, but we believe that we are confused on a higher level and about more important things." Unknown

"La logique mène à tout, à condition d’en sortir." Alphonse Allais

-> Translation: "Logic leads to everything, as long as you get out of it."