The primary rules of obligation are those that require or forbid certain actions.
主要的义务规则是那些要求或禁止某些行为的规则。
Stay hungry, stay foolish.
The world is a plot, a conspiracy, a cabal.
To write is to resist the erasure of history.
竞争战略就是要与众不同。它意味着刻意选择不同的活动来提供独特的价值组合。