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The only way to learn mathematics is to do mathematics.

The best trades are the ones in which you have all three things going for you: fundamentals, technicals, and market tone. If you can find a trade that has all three of these characteristics, you have found a potential goldmine.

科學是通過證據追求真理。

The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines in the establishment.