The more we learn of the true nature of non-human animals, especially those with complex brains and corresponding complex social behaviour, the more ethical concerns are raised regarding their use in the service of man—whether this be in entertainment, as ‘pets,’ for food, in research laboratories or any of the other uses to which we subject them.

即使没人相信你，也要相信自己。

钢铁的未来在于回收和减少碳排放。

最重要的是创造一个人们想要置身其中的空间。