地球形状的问题本质上是引力和旋转共同作用下的平衡问题。
一个通过征税求繁荣的国家就好像一个缩在桶里想把自己提起来的人。
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.
对于每一位专家,都会有一个同等的或者完全相反的专家。但对于每一个事实,并不一定就有一个同等的或者相反的事实存在。
贪心不足蛇吞象,知足才能心安。
通货膨胀是一种无需立法即可实施的征税形式。