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.
不耽误农业生产的季节,粮食就会吃不完;密网不下到池塘里,鱼鳖就会吃不完;按一定的季节入山伐木,木材就会用不完。
善良的行为是最高尚的美德。