一個具大智慧的小個子大英雄。  此視頻不完整，請看完後點擊後麵或其它鄭強的演講視頻

https://www.youtube.com/watch?v=NdSfeul3ACg

https://www.youtube.com/watch?v=rEWUuQqZH3M&index=2&list=PLbszCoqXiVDkyzHmNXs37Eo21vUOvT-hJ