Monetary policy rules should be designed to avoid the pitfalls of discretionary policy, which often leads to time inconsistency.
货币政策规则的设计应避免自由裁量政策的陷阱，后者往往导致时间不一致性。
言语有力量——明智地使用它们。
The piano is like an old friend to me.
只愿享受漫长的春日，不去理会秋风来得早
智慧的真正标志不是知识，而是想象力。