让人们快乐的最好方法就是让他们笑。
——署名公告〈关于实行党纪的命令〉，提醒党员遵守党纪，1924年3月18日
旧梦是好梦，没有实现，但是我很高兴我有过这些梦。
Brand is just a perception, and perception will match reality over time.
The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.
The beauty of mathematics only shows itself to more patient followers.