commonly understood) both are manifestations of that reality. Hence the power of man to know the world, because it is a rational world, and manifestation answers to manifestation, thought to thought. He who claims that all knowledge is founded in sensation is partly right; for to know the outer realm is to realize the inner and to know, in part, the truth of the Universe.
Subjective ideas, in some form, must be retained in philosophy. Our world, as a world of evolution, is orderly and has a progressive plan; hence, according to all human conception, is the product of ideas worked out through what are called the laws of nature.
Men have always asked what is the use of philosophy, and to-day they repeat the question with emphasis. We appreciate the state of mind that rejoices in consciousness of standing on the solid earth, the courageous patience that works out with guarded induction scientific truth, the honesty that will not substitute hasty conjecture for fact, and the faith that works toward results to be fully realized only in the distant future. But many scientific men are coming to regard biological and psychological sciences as great laboratories for philosophy. We may believe the coming problems will be solved by the coöperation of philosophy and science. Science studies the objective side and philosophy the subjective side of the same reality.
Philosophy has a use as an attempt to satisfy the imperative need of men to ask the meaning of their being. It has a use as forming a rational hypothesis concerning a First Cause, and a Final Aim. It is a ground of belief in ideals. All speculative philosophy has been inspired more or less by Platonism, and has
