我们必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。

We kid ourselves if we think that the ratio of procedure to data in an active data-base system can be made arbitrarily small or even kept small.

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？’

I'm not a math, I'm a music.

"The dead are never truly gone, they live on in the stories we tell about them."

Design is not just what it looks like and feels like. Design is how it works.