政策规则优于自由裁量,因为它们避免了时间不一致性问题。
A writer's duty is to disturb the peace, to question the unquestionable, to challenge the status quo.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
国际政治是一项残酷而危险的事务,而且很可能继续保持这种状态。
The mathematician's patterns, like the painter's or the poet's, must be beautiful.