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要理解人類，必先理解我們的起源。

"The photograph is just the starting point. The painting is something else entirely."

出自《海國圖志序》。善于學習外國的長處，就能夠征服外國;不善于學習外國的長處就會被外國所征服。

If ease of use was the only requirement, everyone would still be riding tricycles.