"The best films are the ones that make you think, that challenge you, that stay with you long after you've left the cinema."
The world is a book, and those who do not travel read only a page.
做数学就是同时参与创造和发现的行为。
为了成功,你必须愿意失败。
只热爱实践而无理论的人,就像没有舵和罗盘的水手,永远不知道他可能漂流到哪里。