From the beginning, the tendency of the Hindu mind was in the direction of resolving the universe of forms, shapes, and change, back into some One Underlying Principle, from which all the phenomenal world emerged--some One Infinite Energy, from which all else emerged, emanated, or evolved. And the early Hindu mind busied itself actively with the solution of the problem of this One Being manifesting a Becoming into Many. Just as is the Western world of today actively engaged in solving many material problems, so was ancient India active in solving many spiritual problems--just as the modern West is straining every energy toward discovering the "How," so was ancient India straining every effort to discovering the "Why." And from that struggle of the mind of India there arose countless schools of religious and philosophical thought, many of which have passed away, but many of which persist today. The problem of the relationship of the human soul to the One Being, and the secondary problem of the life, present and future, of the individual soul, is a most vital one to all thinking Hindus today as in the forty centuries or more of its philosophical history. To the Hindu mind, all material research is of minor importance, the important Truth being to discover that "which when once known, all else is understood." But, as we have said, in spite of the numerous religions, schools, and phases of teaching, among the Hindus, the one fundamental conception of Reincarnation is never lost sight of, nor is it ever doubted in any of the forms of the philosophies or religions. Ignoring the subdivisions of Hindu philosophical thought, we may say that the Hindu philosophies may be divided into a few general classes, several of which we shall now hastily consider, that you may get a glimpse at the variety of Hindu speculative philosophy in its relation to the soul and its destiny. You will, of course, understand that we can do no more than mention the leading features of each class, as a careful consideration would require volumes for each particular school.