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.

我不介意成为榜样。我接受它。我只希望我是一个好榜样。

Investing in cleaner energy solutions is not just good for the environment, it's good for business.

牛、猪、战争和巫术并非任意的文化偏好，而是对物质条件的适应。