牛鸣而马不应，非不闻牛声也，异类故也。
牛大叫，但马却不回应；不是因为马没听到声音，是因为它们不是同类啊。点评：同类之间存在着客观联系，故能相应。
【译文】 孔子说：“《诗经》三百首，用一句话可以概括，即：‘思想纯洁’。”
知道自己不知道什么比聪明更有用。
A good mystery should keep the reader guessing until the very end, but the clues must all be there.
传记作者的任务是阐明，而不是评判。
The great and chief end, therefore, of men's uniting into commonwealths and putting themselves under government is the preservation of their property.
The best businesses don't just grow fruit; they grow communities and trust.