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.

可持续性不是选择，而是我们对后代的责任。

最伟大的胜利来自最艰难的战斗。

有时候是这段旅程教会了你很多关于目的地的事。