Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

有时候你必须做你必须做的事情才能生存。

We don't try to outsmart the market; we try to understand it.

当你悲伤的时候，就会喜欢看落日。

I am not afraid of aging, because with age comes wisdom.

You cannot not know history.