【译文】 孔子说：“外表威严而内心怯懦的人，用小人作比喻，就象挖墙洞的小偷吧！”

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

预测未来的最好方法就是创造未来。