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据考证,上学收费,始于孔子。交三十两银子,没座旁听,曰:三十而立。交四十两,解答疑难,曰:四十不惑。交五十两,提前知考题,曰:五十知天命。交六十两,光表扬不批评,曰:六十耳顺。交七十两,来不来均可,上课坐躺都行。曰:七十而随心所欲也。
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Saved by Joel Liu
on Nov 30, 10
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