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愛は、言葉よりも行動で示すものだ。
沉默是上帝的语言;其他一切都是一种拙劣的翻译。
Every man over forty is responsible for his face.
The beauty of mathematics lies in its ability to describe the universe in the simplest terms.
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.