The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

问题不是，它们能否思考？也不是，它们能否言语？而是，它们能否受苦？

即使是最强大的人也需要有人站在他身边。

We must balance economic growth with environmental responsibility.

允许进入的刺激并不是通过简单的一对一开关与输出反应相连的。