唯一真正的错误是我们从中一无所获的错误。
The only real mistake is the one from which we learn nothing.
数学只向那些纯粹出于对其美的热爱而接近它的人揭示其秘密。
The best ideas often come from unexpected places.
The aim of every artist is to arrest motion, which is life, by artificial means and hold it fixed so that a hundred years later, when a stranger looks at it, it moves again since it is life.