He can analyze the reasons for his own success. If you want to do business in China, four things are key: First, stick to your own area of skills; second, be there--you can't trust others to look after things for you; third, have enough capital support to survive the bad times; and finally, develop the abilities you need to do the job.
他自己分析，在中國投資必須具備「四本」──本業、本尊、本錢、本事。