好的研究关键不仅在于方法，还在于问题的清晰性和数据的质量。

You can obsess about serving your customers/audience/clients， or you can obsess about beating the competition. Both work， but of the two， obsessing about your customers will take you further.

你不能给任何事情设限。梦想越多，走得越远。

选择最好的生活，因为习惯会使它愉快。

It is the preoccupation with possessions， more than anything else， that prevents us from living freely and nobly.