数学语言是通用的，超越了文化和语言的障碍。

Truth is like a blanket that always leaves your feet cold. You push it, stretch it, it'll never be enough. You kick at it, beat it, it'll never cover any of us. From the moment we enter crying to the moment we leave dying, it will just cover your face as you wail and cry and scream。

关于理论最重要的事情是它应该是可测试的。

教学是我最伟大的艺术作品。

你必须愿意失败才能成功。

铁蛋儿的问题，不是他不识字，也不是他不会思考，而是他不知道什么是思考，并且将其与感觉相混淆。