Human thought is like a pendulum. It sways from belief to belief, from theory to theory, from plan to plan, and the length of its vibrations is governed by a multitude of contending forces operating from both within and without. Two of these influences, in the present age, are all potential. One is the ardent desire to find the best ways and means by which the human race may hasten on its varied development, and the other is the strenuous determination to discover what may be styled the “Northwe