The rational expectations hypothesis does not imply that people forecast the future perfectly; it implies that they do not make systematic errors.
理性预期假说并不意味着人们能完美预测未来；它意味着人们不会犯系统性错误。
你画的每一条线都有后果——空间的、结构的、社会的。
所有谎言中最危险的是稍微扭曲的真理。
Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.
How will you use your gifts？ What choices will you make？
The United States is the most powerful country in the world, and it will remain so for the foreseeable future.
身份资本是我们个人资产的集合。它是我们随着时间的推移积累的个人资源库。这些是我们对自己的投资，我们做得足够好或足够长的事情，它们成为我们是谁的一部分。
The web is more a social creation than a technical one. I designed it for a social effect—to help people work together—and not as a technical toy.
美好生活在于每天在生活的主要领域中运用你的标志性优势来获得幸福。