Experience is simply the name we give our mistakes.
在数学中，你不理解事物。你只是习惯它们。
银河系中心附近的恒星就像宇宙时钟，帮助我们绘制时空图。
国用过少，则金价低了，金价低则各项事业不好办，故对事业不利。
Don't write your name on sand, waves will wash it away. Don't write your name in sky, wind may blow it away. Write your name in the hearts of people, that's where it will stay.