中心地的等级越高，其数量越少，影响范围越大。
The laws of nature are unforgiving.
Quality is the lifeline of an enterprise. Without quality, there is no future.
你无法总是控制外面发生的事情。但你总能控制内心发生的事情。
Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.
