The same is true of any living whole. Whenever a person enters upon a new course of life his mind begins to organize with reference to it; he develops ways of thinking and acting that are necessary or convenient in order that he may meet the new conditions. In this way each of us grows to fit his job, acquiring habits that are in some way congruous with it. A farmer, a teacher, a factory worker, a banker, is certain to have in some respects an occupational system of thinking. So a group, if it is lasting and important, like a state, or a church, or a political party, develops an organization every part of which has arisen by adaptive growth. A university, if we look at it from this point of view, appears as a theatre of multiform selective organization. The students, already sifted by preparatory schools and entrance examinations, are subject to further selection for membership in the various academic groups. They must pass certain preliminary courses, or attain a certain standing before they can take advanced courses or be admitted to honor societies. The athletic, dramatic, and debating groups have also selective methods whose function is to maintain their organized activities. And the university as a whole, and especially its various technical departments, acts as an agent of selection for society at large, determining in great part who are fit for the different professions. It is also a centre for the organization of ideas. Intellectual suggestions relating to every branch of knowledge, brought from every part of the world by books and periodicals as well as by the cosmopolitan body of teachers and students, are compared, discussed, augmented, worked over, and thus organized, presumably for the service of mankind.