America is too new to afford a foundation for an _a priori_ philosophy; we have not the requisite background of law, institutions and achieved social organization. America is too new to render congenial to our imagination an evolutionary philosophy of the German type. For our history is too obviously future. Our country is too big and too unformed, however, to enable us to trust to an empirical philosophy of muddling along, patching up here and there some old piece of machinery which has broken down by reason of its antiquity. We must have system, constructive method, springing from a widely inventive imagination, a method checked up at each turn by results achieved. We have said long enough that America means opportunity; we must now begin to ask: Opportunity for what, and how shall the opportunity be achieved? I can but think that the present European situation forces home upon us the need for constructive planning. I can but think that while it gives no reason for supposing that creative power attaches _ex officio_ to general ideas, it does encourage us to believe that a philosophy which should articulate and consolidate the ideas to which our social practice commits us would clarify and guide our future endeavor. Time permits of but one illustration. The present situation presents the spectacle of the breakdown of the whole philosophy of Nationalism, political, racial and cultural. It is by the accident of position rather than any virtue of our own that we are not sharers in the present demonstration of failure. We have borrowed the older philosophy of isolated national sovereignty and have lived upon it in a more or less half-hearted way. In our internal constitution we are actually interracial and international. It remains to see whether we have the courage to face this fact and the wisdom to think out the plan of action which it indicates. Arbitration treaties, international judicial councils, schemes of international disarmament, peace funds and peace movements, are all well in their way. But the situation calls for more radical thinking than that which terminates in such proposals. We have to recognize that furtherance of the depth and width of human intercourse is the measure of civilization; and we have to apply this fact without as well as within our national life. We must make the accident of our internal composition into an idea, an idea upon which we may conduct our foreign as well as our domestic policy. An international judicial tribunal will break in the end upon the principle of national sovereignty.