让自己开心的最好方法就是试着让别人开心。
The best way to cheer yourself up is to try to cheer somebody else up.
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
Music is my diary, recording my life.
我已经不再年轻，不再知道一切。
有能力给予当然比有能力接受来得更让人愉快。
译文：厚道的人不去做损害、诋毁别人的事来使自己得益，仁义的人不危害别人而为自己求取名誉。