我不是说唱歌手，我是一个普利策奖得主。
I'm not a rapper, I'm a Pulitzer winner.
The essence of mathematics lies in its freedom.
Un libro es una ventana abierta a la imaginación y al conocimiento.
The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
追求知识是一生的旅程，而发现的喜悦是其最大的回报。