"El verdadero escritor no tiene biografía, su biografía son sus libros."
You can tell more about a person by what he says about others than you can by what others say about him.  
真正的护城河是持续创造用户价值的能力。
"Every word we speak carries the weight of our history and the hope of our future."
In computer science, we often have to deal with systems that are too complex to understand all at once.