在不确定的时代，唯一确定的就是变化本身。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

肉腐了就会生蛆，鱼枯死了就会生虫，懈怠疏忽忘记了做人准则就会招来灾祸。

我遇到的那些让我钦佩的人，无一例外都比我读的书多。