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找出人們喜歡讀什么樣的書的唯一方法就是出版書籍，看看會發生什么。

I think it's important to have a sense of humor about yourself and not take yourself too seriously.

每個數學問題都有解答；挑戰在于找到它。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."