"Wealth in the modern world does not come merely from individual effort; it results from a combination of individual effort and of the manifold uses to which the community puts that effort. The individual does not create the product of his industry with his own hands; he utilizes the many processes and forces of mass production to meet the demands of a national and international market. Therefore, in spite of the great importance in our national life of the efforts and ingenuity of unusual individuals, the people in the mass have inevitably helped to make large fortunes possible. Without mass cooperation great accumulations of wealth would be impossible save by unhealthy speculation. As Andrew Carnegie put it, "Where wealth accrues honorably, the people are always silent partners." Whether it be wealth achieved through the cooperation of the entire community or riches gained by speculation — in either case the ownership of such wealth or riches represents a great public interest and a great ability to pay."