A man should always consider how much he has more than he wants.
预测未来的最好方法就是创造未来。
The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
如果我不进入地狱拯救众生,还有谁会去?
Never underestimate the power of small, consistent improvements.