The gentleman holds justice to be of highest importance. If a gentleman has courage but neglects justice, he becomes insurgent. If an inferior man has courage but neglects justice, he becomes a thief.
To rein a kingdom efficiently it is necessary, before all, to put into good order the family. It's impossible for a man who doesn't know how to lead his own family to know how to lead a country.
There are three friendships which are advantageous, and three which are injurious. Friendship with the upright; friendship with the sincere; and friendship with the man of much observation: these are advantageous. Friendship with the man of specious airs; friendship with the insinuatingly soft; and friendship with the glib-tongued: these are injurious.
First there must be order and harmony within your own mind. Then this order will spread to your family, then to the community, and finally to your entire kingdom. Only then can you have peace and harmony.