政府，即使在其最佳状态下，也不过是一种必要的恶；在其最坏状态下，则是一种无法忍受的恶。
Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.
If you don't fail at least 90 percent of the time, you're not aiming high enough.
Policy debates should be grounded in rigorous empirical analysis.
I don't let anyone else's opinion become my reality.
The truth is rarely pure and never simple.
一种善行没有内心的支持就不会长久，一种行为如果得不到自身的了解就无法树立。