"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." this quote most likely comes from which of these sources? a) the aryan vedas b) justinian's code c) the works of confucius d) the twelve tables of roman law