Some of his former students, who had become parents themselves, saw his advertisement on the inside of a bus and called him on the phone, saying, "Teacher, you're not still teaching, are you?!"
，他過去的一些學生﹘﹘如今都已經當父母了，在公車車廂上看到他的廣告，打電話給他說，「老師，您還在教呀！」