The requisites of government are that there be sufficiency of food, sufficiency of military equipment, and the confidence of the people in their ruler.
To know, is to know that you know nothing. That is the meaning of true knowledge. When you say something, say what you know. When you don't know something, say you don't know. That is knowledge.
When a man's knowledge is sufficient to attain, and his virtue is not sufficient to enable him to hold, whatever he may have gained, he will lose again.
When things are investigated, then true knowledge is achieved; when true knowledge is achieved, then the will becomes sincere; when the will is sincere, then the heart is set right ; when the heart is set right, then the personal life is cultivated; when the personal life is cultivated, then the family life is regulated; when the family life is regulated, then the national life is orderly; and when the national life is orderly, then there is peace in this world.
The man who in view of gain thinks of righteousness; who in the view of danger is prepared to give up his life; and who does not forget an old agreement however far back it extends - such a man may be reckoned a complete man.