老子《道德經》第81章：信言不美，美言不信。善者不辯，辯者不善。知者不博，博者不知。

來源: nWAY 於 2013-07-21 00:19:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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