写作是一种乐观的行为。如果你觉得这无关紧要,你就不会费心去做。
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.
顾客不一定总是对的,但他们永远是第一位的。
解释:砍伐树木不把树根砍掉,必能重新生长;堵塞水不把源头堵住,必会重新流出;消除祸患不铲除产生祸患的根基,祸患还会再生。