最大的风险是不冒任何风险……在一个变化非常快的世界里，唯一注定失败的策略就是不冒险。
The biggest risk is not taking any risk... In a world that is changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
最优财政政策要求税率随时间平稳变化，仅对政府支出的永久性变化作出反应。
It may be unfair, but what happens in a single day can change the course of a whole lifetime.
人一定要懂得“礼”之后才能产生恭敬之心，产生恭敬之心以后才能有所尊敬，有所礼让。