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数学中的每个问题都是一个等待解决的谜题,而乐趣就在于解决的过程。
The best way to predict the future is to create it.
The human being is a sun; and the senses are his planets.
离别的人默默无语,月亮也寂静无声;明月有光辉照耀,人却有深情难诉。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.