The only person you should try to be better than is the person you were yesterday.
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.
科学中的创新往往来自于以新的方式看待老问题。