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數(shù)學中最重要的是提出正確的問題。

The best way to untangle a knotty tangle is not to “untie” the knots， but to keep pulling the loops apart wider and wider. Just make the mess as big， loose and open as possible. As you open up the knots they will unravel themselves. Works on cords， strings， hoses， yarns， or electronic cables.

未來屬于那些相信自己夢想之美的人。