The history of a nation is, in essence, the history of its ruling class.
一个民族的历史，本质上是其统治阶级的历史。
Efficiency in extraction is meaningless if we don't consider the long-term impact.
Your work will be endless， but your time is finite. You cannot limit the work so you must limit your time. Hours are the only thing you can manage.
法律并不总是正确的，但它始终是法律。
教育培养绅士，但阅读、良好的伴侣和思考才能完成他。
贫穷不是性格缺陷，而是系统性困境。