没有什么比一个没有什么可失去的人更危险的了。
"No hay nada más peligroso que un hombre que no tiene nada que perder."
Sustainability isn't a buzzword; it's the foundation of modern resource extraction.
The road to success is always under construction.
The language of mathematics is universal, transcending cultural and linguistic barriers.
To live is the rarest thing in the world. Most people exist, that is all.