人类的精神比任何可能发生的事情都要强大。
年轻时,你以为长大后就会幸福。但长大后,你意识到年轻时的自己才是幸福的。
The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.