Sometimes the simplest songs are the hardest to write.

"La literatura es el arte de la paciencia, la disciplina y la entrega absoluta."

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Mathematics is the art of asking the right questions and then finding their answers.

一个人只要愿意，就是自由的。

I'm grateful for everything in my life.