At the ending of a universe, the tattvas merge in each other by disintegration; Prithivî Tattva, having disintegrated into atoms, these atoms are themselves broken up, and the tanmâtra that formed them, being no longer able to express itself for lack of suitable material, ceases to be a power, and remains only represented by a modification in consciousness--a permanent possibility. Thus Apas Tattva becomes the lowest manifestation, and, by a repetition of the above process, ceases to exist. In like fashion each successively vanishes. Hence, Mahâdeva is represented as saying in the _Shivâgama_: "The universe proceeded from the tattvas; it goes on through the tattvas; it vanishes into the tattvas." Such is the grandiose conception of the kosmos given by the science of antiquity; one life, pulsing into innumerable vibrations, and these throwing matter into forms. On this was based the Pythagorean system of numbers; on this mathematics and music were founded; on this the "Great Science," or Magic, of long-perished nations was built up. That science only survives in its purity in the Great White Brotherhood, but its traces may yet be seen in the scriptures and the religions of the world. We take up modern science, and pass into a different atmosphere. Now phenomena are to be studied, forms are to occupy our attention. But as we look at modern science we find that it is beginning to transcend the study of forms; we find the efforts of its greatest men are turned to seek unity amid diversity. Do not think that, in speaking of modern science as studying forms, I am indifferent to the mighty achievements that it has made, or that I would say one word in derogation of the ability of the leading men of science, and the priceless value of the work that they are doing for humanity. Their achievements during the present century are achievements that are worthy of the very deepest respect, not only for the "sublime patience of the investigator," of which William Kingdon Clifford so rightly spoke, but also for the self-abnegation with which many of them have given their lives to follow truth, to study in the innermost recesses of the phenomena of nature what secrets she has hidden, what may be underneath the "Veil of Isis." I do not, then, speak a word against modern science, but I point out to you this fact, that the greatest work of science has been the generalisations that have been suggested in the attempt to reach simplicity, to reduce multiplicity to unity. How far has science gone from that generally accepted view of the materialistic school of thirty years ago, that the universe is made up of an indefinite number of atoms, the atoms being our chemical elements! A phrase from one of the most famous of the then leading men of science, Dr. Ludwig Büchner, will mark the greatness of the change: he declared that the carbon atom will always remain a carbon atom, and has been a carbon atom from all