The most important thing is to keep the most important thing the most important thing.
挑战在于创建能够将私人激励与知识的社会价值相结合的机构。
一个好的广告应该像一篇好的布道；它不仅必须安慰受难者，还必须使舒适者感到不安。
The most important skill to learn is how to learn.