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History has neither the desire nor the capacity to make men better or worse; it merely records what they have been and what they have done.

我不必那么害怕告別，因為告別不一定是永遠的。

The only way to avoid being miserable is not to have enough leisure to wonder whether you are happy or not.

用戶不是上帝，用戶是朋友。

學習應使人感到快樂，否則不能稱之為真正的學習。