人生は、自分で選んだ道を歩むことだ。
容易得到的东西,是靠不住的;轻易许下的诺言,不值得信赖。
友情は、時を超えて続く絆だ。
The world is full of good people. If you can't find one, be one.
Every day I discover more and more beautiful things. It’s enough to drive one mad. I have such a desire to do everything.
La verdadera ciencia enseña, sobre todo, a dudar y a ser ignorante.