Intelligence is what you use when you don't know what to do.

强调抓住机遇的重要性

Every ton of aggregate we produce carries the weight of responsibility—to our customers and our communities.

The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.

The most important skill for an economist is the ability to think clearly about trade-offs.

不要问医生你该做什么；而是问医生，如果他处于你的情况下，他会做什么。你会惊讶地看到其中的差异。