In the last years of Chongzhen, four scholars took the imperial examination together. Chen Zhenhui advocated self-cultivation, Hou Fangyu denounced power and traitors, Gu Yanwu advocated practical learning, and Wu Weiye defended himself wisely. Doomsday policy questions reflect four completely different choices for family and country. The building will collapse, and their fate will come to an end together with the dynasty.
