You don't have to be great to start, but you have to start to be great.
When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.
大萧条是二十世纪的决定性宏观经济事件,它引发了对宏观经济理论和政策的根本性重新思考。
The best leaders are those who empower others to lead.