顾炎武,明末清初著名的启蒙思想家和爱国学者。他的一生,是追求学术、坚持反清的一生。自顺治十四年(1657年),他因豪奴欺主,怒杀叛奴之后,弃家北游,足迹遍及鲁、京、晋、陕、豫等省。在康熙二年、十六年、十七年、十八年、十九年、二十年的六年中,他四次入陕,前后居住时间达三年之久。陕北的榆林、延安有他的足迹,关中的华阴,临潼、周至、西安、乾县、富平、大荔、铜川有他留下的文章诗篇。在关中,他结交了象王山史、李因笃、李二曲等著名爱国学者和反清志士。他们或一同吟诗喝酒,或共同探讨学术问题,或北 Gu Yanwu, a famous enlightenment thinker and patriotic scholar in the late Ming and early Qing dynasties. His life is the pursuit of academic, insist on the anti-Qing life. Since Shunzhi’s fourteen years (1657), he has abandoned his family’s northern tour after being angry and renegade with slaves and domineering people. His footprints have spread throughout the provinces of Lu, Jing, Jin, Shan and Yu. In two years, sixteen years, seventeen years, eighteen years, nineteen years and twenty years, in the six years of Kangxi’s reign, he lived in Shaanxi for four times and lived in front of and behind the country for three years. Yulin in northern Shaanxi, Yan’an has his footsteps, Guanzhong’s Huayin, Lintong, Zhouzhi, Xi’an, dry county, Fuping, Dali, Tongchuan he left the article Psalms. In Guanzhong, he made famous patriotic scholars such as Wang Shan Shi, Li Yin Du, Li Erqu and anti-Qing intellectuals. They either sip poetry or drink together or discuss academic issues, or north