30年前,一篇文章掀开了社会主义中国历史发展的新篇章,改变了整个中华民族的精神风貌,深刻地影响了当代中国。有谁能够想到,引发这场思想巨变的竟然是一位普通的大学教师…… Thirty years ago, an article opened a new chapter in the historical development of the socialist China, changed the spiritual outlook of the entire Chinese nation and profoundly affected contemporary China. Who can think of it, is actually an ordinary college teacher that triggered the tremendous change of thought.