When we fail to set boundaries and hold people accountable, we feel used and mistreated.

Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.

Modern quarry management requires geologists' eyes, engineers' hands, and poets' hearts.

The concept of law involves the union of primary and secondary rules.

如果我的世界明天消逝，我会回顾所有我有幸拥有的快乐，兴奋和精彩。不是悲伤，失败或者我父亲的离家而去，而是所有事物愉快的一面，这样就足够了。

历史研究不仅关乎过去，也关乎理解现在和塑造未来。