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Information is physical, and the processing of information is always tied to the laws of physics.

The most important quality for a researcher is persistence.

地租是由土地的肥沃度和位置所決定的。

Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

數學家的模式，就像畫家或詩人的模式一樣，必須是美麗的；思想，就像顏色或文字一樣，必須以和諧的方式結合在一起。