We search through historical data looking for anomalous patterns that we would not expect to occur at random. Our scheme is to analyze data and markets to test for statistical significance and consistency over time. Once we find one， we test it for statistical significance and consistency over time. After we determine its validity， weask， ‘Does this correspond to some aspect of behavior that seems reasonable？’

人才是煤炭行业的核心竞争力。

数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。

每个政府的衰败都始于其建立时的原则的腐化。

I think the best actors are the ones who are willing to be vulnerable, to take risks.