你如果出色地完成了某件事，那你应该再做一些其他的精彩事儿。不要在前一件事上徘徊太久，想想接下来该做什么。
"In literature, there are no borders, no limits."
The past is never truly past until it has been fully understood.
The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.
We have a responsibility to future generations to leave the planet in better shape than we found it.
我们有责任为子孙后代留下一个比我们发现时更好的地球。