The trouble with lying is that you have to remember everything.
"You gotta risk it to get the biscuit."
量化宽松的问题在于它在实践中有效,但在理论上却行不通。
人类似乎有这样的倾向,建立一项规则叫别人遵守,同时又极力使自己成为例外,不受它的约束。