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数学的乐趣在于发现模式并理解它们的含义。
The joy of mathematics is in the discovery of patterns and the understanding of their implications.
一个好的系统设计是使做正确的事情变得容易,做错误的事情变得困难。
你给予的越多,得到的就越多。
The past does not belong to us; we belong to it.