历史学家既是侦探，也是讲故事的人。
The historian is both detective and storyteller.
To succeed， get other people to pay you； to become wealthy， help other people to succeed.
The most important property of a program is whether it accomplishes the intention of its user.
关键是在事情顺利时不要太高调，在事情不顺时不要太低落。
In energy, the only constant is change—embrace it.
