citizenship shall be a solemn ceremony. And the diploma conferring the rights of citizenship will be preserved by the young man as the most precious testimonial of his whole life. It entitles him to exercise all the rights of a citizen and to enjoy all the privileges attached thereto. For the State must draw a sharp line of distinction between those who, as members of the nation, are the foundation and the support of its existence and greatness, and those who are domiciled in the State simply as earners of their livelihood there.