But there is also a second path of investigation, and it is this which the present work adopts. It consists—to retain the image used above—in taking transverse instead of longitudinal sections, that is, in regarding the main stages of the development with which folk psychology is concerned in their sequence, and each in the total interconnection of its phenomena. Our first task, then, would be the investigation of primitive man. We must seek a psychological explanation of the thought, belief, and action of primitive man on the basis of the facts supplied by ethnology. As we proceed to more advanced stages, difficulties may, of course, arise with regard to the delimitation of the various periods; indeed, it will scarcely be possible to avoid a certain arbitrariness, inasmuch as the processes are continuous. The life of the individual person also does not fall into sharply distinct periods. Just as childhood, youth, and manhood are stages in a continuous growth, so also are the various eras in the development of peoples. Yet there are certain ideas, emotions, and springs of action about which the various phenomena group themselves. It is these that we must single out if the content of folk psychology is to be classified, with any measure of satisfaction, according to periods. Moreover, it should be particularly noticed that, in starting our discussion with primitive man, as we naturally must, the term 'primitive' is to be taken relatively, as representing the lowest grade of culture, particularly of mental culture. There is no specific ethnological characteristic that distinguishes this primitive stage from those that are more advanced; it is only by reference to a number of psychological traits, such as are indicative of the typically original, that we may determine that which is primitive. Bearing in mind this fact, we must first describe the external traits of primitive culture, and then consider the psychological factors of primitive life.
Of the second period in the development of civilization, we may safely say that in many respects it represents a newly discovered world. Historical accounts have nothing, to say concerning it. Recent ethnology alone has disclosed the phenomena here in question, having come upon them in widely different parts of the earth. This period we will call the totemic age. The very name indicates that we are concerned with the discovery of a submerged world. The word 'totem,' borrowed from a distant American tongue, proves by its very origin that our own cultural languages of Europe do not possess any word even approximately adequate to designate the peculiar character of this period. If we would define the concept of totemism as briefly as possible, it might perhaps be said to represent a circle of ideas within which the relation of animal to man is the reverse of that which obtains in present-day culture. In the totemic age, man does not have dominion over the animal, but the animal rules man. Its deeds and activities arouse wonder, fear, and adoration. The souls of the dead dwell within it; it thus becomes the ancestor of man. Its flesh is prohibited to the members of the group called by its name, or, conversely, on ceremonial occasions, the eating of the totem-animal may become a sanctifying cult activity. No less does the totemic idea affect the organization of society, tribal division, and the forms of marriage and family. Yet the elements that reach over from the thought-world of this period into later times are but scanty fragments. Such, for example, are the sacred animals of the Babylonians, Egyptians, and other ancient cultural peoples, the prophetic significance attached to the qualities or acts of animals, and other magical ideas connected with particular animals.
Totemic culture is succeeded—through gradual transitions—by a third period, which we will call the age of heroes and gods. Initial steps towards the latter were already taken during the preceding period, in the development of a rulership of individuals within the tribal organization. This rulership, at first only temporary in character, gradually becomes permanent. The position of the chieftain, which was of only minor importance in the totemic age, gains in power when the tribal community, under the pressure of struggles with hostile tribes, assumes a military organization. Society thus develops into the State. War, as also the guidance of the State in times of peace, calls out men who tower far above the stature of the old chieftains, and who, at the same time, are sharply distinguished from one another through qualities that stamp them as typical personalities. In place of the eldest of the clan and the tribal chieftain of the totemic period, this new age gives rise to the hero. The totemic age possesses only fabulous narratives; these are credited myths dealing, not infrequently, with animal ancestors who have introduced fire, taught the preparation of food, etc. The hero who is exalted as a leader in war belongs to a different world, a world faithfully mirrored in the heroic song or epic. As regards their station in life, the heroes of Homer are still essentially tribal chieftains, but the enlarged field of struggle, together with the magnified characteristics which it develops, exalt the leader into a hero. With the development of poetry, the forms of language also become modified and enriched. The epic is followed by formative and dramatic art. All this is at the same time closely bound up with the origin of the State, which now displaces the more primitive tribal institutions of the preceding period. When this occurs, different customs and cults emerge. With national heroes and with States, national religions come into being; and, since these religions no longer direct the attention merely to the immediate environment, to the animal and plant world, but focus it primarily upon the heavens, there is developed the idea of a higher and more perfect world. As the hero is the ideal man, so the god becomes the ideal hero, and the celestial world, the ideally magnified terrestrial world.
This era of heroes and gods is finally succeeded by a fourth period. A national State and a national religion do not represent the permanent limits of human striving. National affiliations broaden into humanistic associations. Thus there begins a development in which we of the present still participate; it cannot, therefore, be referred to otherwise than as an age that is coming to be. We may speak merely of an advance toward humanity, not of a development of humanity. This advance, however, begins immediately with the fall of the barriers that divide peoples, particularly with regard to their religious views. For this reason, it is particularly the transcendence of the more restricted folk circle on the part of religions that constitutes one of the most significant events of mental history. The national religions—or, as they are generally, though misleadingly, called, the natural religions—of the great peoples of antiquity begin to pass beyond their original bounds and to become religions of humanity. There are three such world religions—Christianity, Islamism, and Buddhism—each of them adapted in character and history to a particular part of mankind. This appears most clearly in the contrast between Christianity and Buddhism, similar as they are in their endeavour to be world religions. The striving to become a world religion, however, is also a symptomatic mental phenomenon, paralleled externally by the extension of national States beyond the original limits set for them by the tribal unit. Corresponding to this expansion, we find those reciprocal influences of cultural peoples in economic life, as well as in custom, art, and science, which give to human society its composite character, representing a combination of national with universally human elements. Hellenism and the Roman Empire afford the first and, for Occidental mental development, the most important manifestations of these phenomena. How immense is the chasm between the secret barter of primitive man who steals out of the primeval forest by night and lays down his captured game to exchange it, unseen by his neighbours, for implements and objects of adornment, and the commerce of an age when fleets traverse the seas, and eventually ships course through the air, uniting the peoples of all parts of the world into one great commercial community! We cannot undertake to delineate all aspects of this development, for the latter includes the entire history of mankind. Our concern is merely to indicate the outstanding psychological factors fundamental to the progression of the later from that which was original, of the more perfect from the primitive, partly under the pressure of external conditions of life and partly as a result of man's own creative power.