你永远不会太老而不能设定另一个目标或做一个新的梦。
解释:货卖完了才知道不足,是由于不懂得计量;事情结束了才知道有余,是由于不懂得调节。
对抗世界的唯一防御是对它的彻底了解。
The only way to succeed in business is to be better than the competition.
The best way to understand something is to try to change it.