No book can bring you luck, but every book can help you become yourself.
世界上任何书籍都不能带给你好运,但它们能让你悄悄成为你自己。
爱是一个战场,但它是一个值得为之奋斗的战场。
The essence of mathematics lies in its freedom.
To find a truth that is true to me, to find an idea for which I am willing to live and die.