蔡元培先生认为,任何职业的从业人员,都可以把自己的职业分为四种境界:自然境界、功利境界、道德境界、天地境界。处于自然境界和功利境界的人把工作仅仅当作一种职业,处于道德境界和天地境界的人把工作视为一种事业。也有人把职业分为这样四个境界:敬业、勤业、精业、乐业。敬业、勤业是精业的基础,精业,是专业精神和专业水准的体现,是敬业、勤业的结果,而乐业则是职业的最高境界,到了这一境界,职业就成了事业, Mr. Cai Yuanpei believes that any occupational practitioners, can be divided into four categories of their own career: the realm, utilitarian realm, moral realm, world realm. People in the realm and in the utilitarian state regard their work merely as a profession, and those in the realm of morality and heaven and earth regard work as an undertaking. Some people also divided the occupation into such four realms: Dedication, diligence, precision industry, music industry. Dedication, diligence is the basis of fine work, precision work, is the embodiment of professionalism and professional standards, is dedicated, diligent results, and music industry is the highest level of occupation, to this state, the occupation has become a career ,