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Quality is more important than quantity. One home run is much better than two doubles.
The most important part of teaching is to teach what it is to know.
如果你想让人做某事,就让它变得简单。
If you are ever in trouble, don’t try to be brave, just run, just run away.
数学是一种让我们能够描述无法描述的事物的语言。