去年年底,突然接到王恺先生的电话,要我为他的文集写篇序。我顿感芒刺在背,因为一般都是德高望重的前辈为后辈著述作序,现在让我为一位学术造诣深厚的学长著述作序,岂不惶恐!但对一位年长我十二岁,比我在北大早毕业七年,又曾在业务上给我诸多教诲帮助的同门老学长的请求,我无法拒绝,也不能拒绝,只能腼颜而强为之。我与王恺先生的交往始于1980年,当时我正在北 At the end of last year, he suddenly received a phone call from Mr. Wang Kai asking me to write an essay for his collection. I felt a sense of stab in the back, because usually the most respected predecessors for the writings of their predecessors, now let me for an academic achievement deep academic writings preface, would not panic! But for an older I was 12 years old, than I At the request of my fellow seniors who had graduated seven years in Peking University and gave me a great deal of help in business, I can not refuse or refuse. My interaction with Mr. Wang Kai began in 1980 when I was on the north