Nature is the greatest teacher and I learn from her best when others are asleep.

货币政策规则的设计应避免自由裁量政策的陷阱，后者往往导致时间不一致性。

向人求助之时应该去求真正胸襟开阔的人；帮助别人时要帮助真正需要帮助的人。

解析：反对将心与理、物分开。

如果你想看看这个国家的本质，你必须乘坐铁路。当你快速穿过时，看看外面，你会发现美国的真实面貌。

I think it's important to have a strong work ethic and to be disciplined.

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.