交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。
The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.
最好的投资是那些能把小企业做大的人。
迟到的正义就是被剥夺的正义。
有时必须远行，才能理解家中发生的事。
Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with less environmental impact.
诗人的任务是让沉默发声。