The foundation of national morality must be laid in private families.
国家道德的基础必须建立在私人家庭中。
I am not a fast thinker at all. I have to spend a lot of time before I can understand something.
解释:不在农忙时役使百姓而耽误农时,那么可以保证百姓富裕。
宇宙是一个广阔而神秘的地方,我们才刚刚开始理解它的复杂性。