先验与后验的区别是认识论的，而非形而上学的。

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

伟大的事情永远不会来自舒适区。

When you do something best in life, you don’t really want to give that up – and for me it’s tennis.

一个组织的问责质量决定了其责任的质量。