《礼记·大学》
要治理好国家，必须先要调整好自己的家族，因为不能教育好自己家族的人反而能教育好一国之民，这是从来不会有的事情。
所谓治国必先齐其家者，其家不可教而能教人者，无之。
To govern a country well, one must first adjust one's own family, because it is never possible to educate the people of a country but not educate the people of one's own family.