When he taught English in Merica TOEFL Institute, there were about 500 students in his class and seats were fully occupied an hour before the lesson began, so there was standing room only for latecomers.
當年他在「美加托福補習班」上課時，聽課人數高達五百人，學生在上課前一小時就把座位佔滿，後來者只好在走道聽課，受歡迎的程度可見一斑。