trodden by scientific research, and yet, we hope, not a way of mere dreams, not a way into a world of fancy, but a way that leads us to a point whence we get a glimpse into that other aspect of things. This way Modern Idealism since Kant has been busy in finding and clearing. How wearisome some of the exploring expeditions have been, we well know. Our search also may end in a wilderness; but we fancy ourselves to have found an open path that to some readers will seem at least in part new. And some of the prospects on that road may not be wholly disheartening, even to the most exacting religious seeker. But all this is anticipation. First then: The World as a theatre for the display of power, physical or metaphysical. This is the World of Doubt.
II.
Let us begin our study of the powers that work together in the supposed external reality, by accepting for a moment, without criticism, the notion of this supposed external world from which scientific experience sets out. Let us say: there it is, an objective world of moving matter, subject to certain laws. All the powers are but manifestations or forms of matter in motion. Planets revolve, comets come and go, tides swell and fall, clouds rise and rivers flow to the sea, lightning flashes, volcanoes are active, living beings are born, live, and die, all exemplifying certain universal principles, that are discoverable by experience, that are capable of being used to predict the future, and that are related to one another in such a
