The true joy of mathematics lies in the act of discovery, not just the result.
I'm not a god, I'm a human being with flaws.
倘若我们必须在我们为孩子布置的环境里生活一天,我相信那一定会是一个非常痛苦的经历。
我不是榜样,我是个警示故事。
Change is inevitable, but growth is optional.