The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.

成功的关键在于坚持和努力。

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？’

The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.