实现明天的唯一限制将是我们今天的疑虑。
The only limit to our realization of tomorrow will be our doubts of today.
The worse a situation becomes, the less it takes to turn it around, the bigger the upside.
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。
If you think you understand quantum mechanics, you don't understand quantum mechanics.
The measure of a man is what he does with power.
数学和物理学之间的相互作用是宇宙的舞蹈，由自然法则编排。