从天圣（1023－1032）年间至庆历（1041－IO48）年间是北来历史发展的关键阶段，政治革新和儒学复兴思潮是这一阶段的重要内容。史学界和文学史家们对此都作出了详细的论述。人们已经注意到，当时在范仲淹周围形成了庞大的土人集团，正是他们的群起呼应，奋发作为，造成了政治? The period from the days of heaven (1023-1032) to the period of 1041 -1048 (Qing Dynasty) is a crucial stage in the historical development of North China. Political reform and the rejuvenation of Confucianism are important contents of this stage. Historical scholars and literary historians have made a detailed discussion of this. People have noticed that there was a huge group of natives around Fan Zhongyan at the time. It was their group that echoes and worked hard to create politics.