人类是最成功的动物，因为它们的学习能力，虐待的动物很快学习以捍卫自己。它也很快学到了信任很少的人 - 如果有的话。
(Human beings are the most successful of animals because of their capability to learn, and an abused animal learns very quickly to defend itself. It also learns very quickly to trust very few people - if any.)