数学是一种创造性的努力，就像艺术或音乐一样。

绘画是一种忘记生活的方式。它是夜晚的呼喊，是扼住的笑声。

The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.