The most sustainable forest is one that remains standing while meeting human needs.
The only person you should try to be better than is the person you were yesterday.
The best way to predict the future is to invent it.
法律规则不是自我执行的;它们需要人的代理才能生效。
最大的错误就是以为自己无所不知。保持谦逊,不断学习。
金钱的匮乏是所有罪恶的根源。
The best quarries leave not just holes in the ground, but value in communities.