解释:伟大而不骄傲,勤劳而不自夸有功。
学习数学的唯一方法就是做数学。
预测未来的最好方式就是创造未来。
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.