Coal miners are the unsung heroes of America's industrial strength.
理性预期假说并不意味着人们能完美预测未来;它意味着人们不会犯系统性错误。
过去是一个陌生的国度;那里的人做事方式不同。
For us who understand life, figures are a matter ofindifference.
The mind is a temporal pattern of processes.
True competitive advantage comes from doing what others aren't willing to do.