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True progress happens when we stop optimizing for the past and start building for the future.

最好的交易者不是那些最常正確的人，而是那些在錯誤時損失最少的人。

真相很少是純粹的，也從不簡單。

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.