Diligence and thrift are traditional virtues of the Chinese nation. "Quiet to cultivate oneself, thrift to cultivate virtue", "success is due to hard work and thrift and failure is due to extravagance

Test Question Analysis: The construction of ideology and morality is the center of cultural construction, ③ is wrong; diligence and thrift are the traditional virtues of the Chinese nation, is y rooted in the excellent traditional culture, is the basic moral norms of the people. Moral norms, ① ④ correct; to improve the ideological and moral cultivation of citizens should set higher ideological and moral goals, focus on practice, ② wrong.