I remember that in 2005 was sealed madman, surprisingly they do not know, the end of the year decided to “overhaul”, in 2009 came back from the United States, the legend is untamed, in 2011 resigned from the department director, back to do research, a year down to earth, successfully implanted “humility “In 2011, he resigned as head of the department and returned to do research. Social experience sometimes really exercise people, thank God, I am not at the age of 80 understand ……