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In economics, small changes in rules can lead to large changes in outcomes.

The essence of mathematics lies in its freedom.

學習不是試錯的問題，而是洞察力的問題。

"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."

意識的元素要根據其屬性分類。