——与伦敦《滨海杂志》记者谈话，1911年11月

中国经济是一个独特的案例，政府与市场的互动方式挑战了传统的经济理论。

I don’t care about the price of a stock. I care about the value of the company.

In the landscape of string theory, there are perhaps 10^500 different vacuum states, each corresponding to a different possible universe.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

理论实践确实是其自身的标准，并且包含明确的协议以验证其产品的质量。