《礼记·大学》
只有合家相亲和睦后，才能够调教一国之民。《诗经》上说： 尊兄爱弟。 
宜其家人，而后可以教国人。《诗》云： 宜兄宜弟。 
Only after the family gets along in harmony and friendship can we teach the people of a country. The Book of Songs says: Respect the elder brother and love the younger brother.