The most important property of a program is whether it accomplishes the intention of its user.
"La memoria es el territorio donde el escritor planta sus historias, y sin memoria no hay literatura."
我不是商人，我就是生意本身。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.
The question is not， Can they reason？ nor， Can they talk？ but， Can they suffer？
一个好的侦探知道，每个答案都会引出另一个问题。