我不考虑年龄。如果你继续努力工作，你可以继续前进。
I don’t think about age. If you keep working hard, you can keep going.
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
The first step in the art of management is the selection of the right man for the right job.
Good deeds do not cancel out bad, nor do bad deeds erase good.
摧毁人民最有效的方式是否认和抹杀他们对自己历史的理解。