Courage in monetary policy is not the absence of fear but the judgment that something else is more important than fear.
货币政策中的勇气不是没有恐惧，而是判断有比恐惧更重要的事情。
"Every saint has a past, and every sinner has a future."
The only person you should try to be better than is the person you were yesterday.
每一个天使都是可怕的。
Every discovery builds on the work of those who came before us.