Laozi was an odd-looking man with great big ears. He agitated 2500 years ago for "liberation" and developed his own system of thought. So, what sort of person was he, exactly?
天生異像，長著一對大耳的老先生，兩千五百年前就搞「解放」，又自成一套特有的哲學思維，其人到底如何？