世界上最伟大的事情是知道如何属于自己。
The greatest thing in the world is to know how to belong to oneself.
你必须为梦想而奋斗。你必须为之牺牲并努力工作。
To die laughing must be the most glorious of all glorious deaths!
除非绝对必要,否则不要改变你的创作。如果确实需要改变,那就简单些。
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.