It will be very useful. Q: You said a few years ago that you must live to the age of eighty-six if you are to finish the project. Now we are very happy to see that you are going to have your ninetieth birthday.
問：您曾經表示必須活到八十四歲以完成鉅著，現在我們真高興您就要過九十大壽了，能不能透露您的長壽之道？