经济历史的研究不仅仅是关于过去；它是关于理解当前不平等的根源。
The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.
言论不能改变行动而又崇尚它，那就是说空话。
The task must be made difficult, for only the difficult inspires the noble-hearted.
When something is important enough， you do it even if the odds are not in your favor.
The search for exoplanets is not just about finding new worlds; it's about understanding our place in the cosmos.
你无法改变你拒绝面对的事情。