你看不见真正的你，而你所见的只是你的影子。
国家是理性的行为者，他们总是会按照自己的利益行事。
风俗的专制无处不是人类进步的阻碍。
Innovation in stone extraction must always balance efficiency with sustainability.《Stone and Stewardship》
The most effective economic organizations are those that are able to combine the efficiency of large-scale operations with the flexibility and innovation of small-scale ones.