The ultimate test of any economic theory is whether it improves real-world decisions.
任何经济理论的最终检验标准是它是否能改善现实世界的决策。
The big money is not in the buying and selling … but in the waiting.
The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?
We must keep learning to keep up with the times.
快乐者必将取胜，必然如此，因为幸福从来都是孪生。
If your process harms the environment, you're not tanning—you're taking.