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"In the middle of difficulty lies opportunity."

Success is not about the money you make, it's about the difference you make in people's lives.

Children are not just miniature adults; they have their own way of seeing and understanding the world.

A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.

小說的最終考驗是你是否如此關心這些人以至于你想知道他們接下來會發生什么。