有一天我读了一本书，然后我的整个人生都改变了。
I read a book one day and my whole life was changed.
"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.
翻译：指出农业是国家的根本，农业稳定则国家安宁。
人不是为失败而生。一个人可以被毁灭，但不能给打败。