The real competition is never rivals, but users' old habits.
The only thing that can make you successful is your own effort.
The truth is, I don't know what I would have done without mathematics.
The idea is not to live forever, it is to create something that will.
La literatura es el espejo de la sociedad, pero también su crítica.
世界始于人类之前，也必将终于人类之后。