The world is not a pleasant place to be, but it is the only one we have.
The essence of mathematics lies in its freedom.
生命是一个成为的过程,是我们必须经历的各种状态的组合。
唯一能让你强大的是你自己的灵魂。
"La ciudad no es sólo un escenario, es un personaje más en la historia."
You should be doing something that you're passionate about and that you think is really important.