directions which his wants require, are not enough to enable him, even when he spends all his time at work, to supply himself with more than the barest necessaries of life. It would be interesting to trace the development of this principle of action through its various stages down to the present time, when we see men everywhere working at various trades and occupations, and always to supply some want of their fellow-men. Every person in the community is absolutely dependent upon a multitude of others, most of whom he knows nothing of, for the supply of almost all his wants. Human society is thus growing more and more interwoven and interdependent. The motto of the Knights of Labor is a true one, apart from the altruism involved in it. "An injury to one is the concern of all," because the mass of humanity is connected and woven together by such strong ties of self-interest, as well as fraternity, that a calamity to any class or country is felt in some degree throughout the civilized world. This is vastly more true now than it was a half-century ago. Under such conditions as existed then, the doctrine of laissez-faire, that the government should confine itself to the prevention of violence and crime and the maintenance of national honor and integrity, letting alone the industries of the country to develop and operate according to natural laws, was not liable to do harm. But the conditions now are wholly changed. The interdependence of the community involves a moral inter-responsibility, and the time has come when we must recognize this by making it a legal responsibility as well.
We are now ready to consider in detail this inter-relationship of society, and to examine the natural laws which govern it. We have already stated the fact that, broadly speaking, each man is engaged in supplying the wants of his fellow men, because in that way better than in any other he can supply his own wants. We shall find this an easy matter to understand if we conceive that every man puts the products of his labor, of whatever sort it be, into a common public stock (offers it for sale), and takes out of this common stock (buys) the various articles which he wants. He does the first simply that he may do the second, not because