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The present is always changing, but the past is fixed.

"The difference between correlation and causation is fundamental in empirical work."

股市是一個將錢從急躁的人轉移到耐心的人手中的工具。

沉沒成本

The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.

I’ve always been an optimist and I suppose that is rooted in my belief that the power of creativity and intelligence can make the world a better place.