The essence of strategy is choosing what not to do.
战略的本质是选择不做什么。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
做你自己，因为别人都已经有人做了。
"Be yourself; everyone else is already taken."
当事人应置身于利害之外，提出倡议的人则应设身于利害之中，才能知道利害得失。