The time inconsistency problem in monetary policy arises when policymakers have an incentive to deviate from their announced policy once economic agents have formed expectations.
货币政策中的时间不一致性问题出现在政策制定者一旦经济主体形成预期后，就有动机偏离他们宣布的政策。
"Don't write down to children. They're much smarter than we think."
国家是不同种类资本集中过程的顶点：物理力量或强制工具的资本（军队、警察）、经济资本、文化或（更好的）信息资本，以及象征资本。
跨越国界和学科的合作是我们领域实现突破的关键。
No one had ever had such a friend, so affectionate,so loyal and so skillful.
唯一真正重要的是你在世界上产生的影响。
现代采石必须将地质学的智慧与工程的创新相结合。