The notion of the cosmic order led to that of a moral order; the gods have first the physical government, in a later age the ethical government of the universe. The conception of higher powers, invested with moral attributes, has been, as we shall afterwards see, an important stage in the evolution of the religious sentiment. The very ancient opinion, still prevalent among many believers, that the crimes of men occasion epidemics, unchain the elements, cause floods and earthquakes, shows that the human mind, rightly or wrongly, has supposed an analogy between all the forms of order in the universe. Hence also the change of the physical dualism above mentioned into a moral dualism; the genii of light and darkness become respectively moral or immoral gods, good or bad counsellors, saviours or tempters; and in this period a faith in the superiority and definitive triumph of the good is firmly established. In short, the gods have as attributes first power, then intelligence, and lastly morality.

(2) Let us now see the part played by increasing generalisation in the constitution of religious ideas.

When we wish to study the ascending degrees of generalisation, not in abstracto, but according to facts and documents, we may take as our guide the evolution of languages, or, better still, the progress of the scientific spirit (as, for instance, by following the methods of classification used in zoology, from antiquity up to the present day); we might also have recourse to the development of religion, for this is the same mental process applied to a different matter. It is sufficient to indicate the various steps in a very cursory manner.

It is a well known fact that the various races of mankind differ greatly in their powers of abstraction and generalisation; some can scarcely get beyond the concrete, while others disport themselves, easily and swiftly, in the region of the abstract. This difference of aptitude is expressed in their religions. Many peoples have never passed beyond polydemonism—i.e., the cult of individual genii; in other words, the realm of the concrete. Not to speak of savages, such was the religion of the ancient Chinese empire (Tiele); such the innumerable genii in the primitive religion of the Romans—a people not greatly inclined to abstractions.

Certain tribes have, even at the present day, words to designate every water-course in their country, but no general term for a river. To have found such a one is a step in progress. It is the same in the region of religious thought: by an analogous progress the spirit of each tree is subordinated to the deity of the forest, the various river-spirits to a river-god, etc. For a number of particular divinities is substituted one specific and pre-eminent divinity.

At a higher stage the mind seizes more remote resemblances and constitutes one god for water, one for fire, one for the earth, so that the spirits of the waters, the sky, and the earth are severally grouped under the dominion of one power, known in Greece as Zeus, Poseidon, or Hestia.

This generalising process which has taken place with regard to natural phenomena also goes on in the social order. There have been, successively, gods of clans, tribes, nations. We know how long religions—even complex and highly organised ones—have remained merely national: the god of a nation is its protector and guardian—watches over it and over nothing else; but his existence does not exclude that of other gods who are lords of other nations. The transition to the universal, extra-national religions was brought about by means of conquest and annexation, but also, and more particularly, by philosophical speculation.

At the point we have reached there are divine hierarchies, analogous, on one hand, to the ideal hierarchy of individuals, species, genera, on the other to the hierarchies of human society: they are conceived and constituted according to the human type. The anarchy of Vedic India is reflected in the mythology of the Vedas, the feudality of Egypt in its religion, Zeus resembles Agamemnon, the Peruvian Inca is descended from the sun, and applies to his empire the government of the solar deity; and “by an optical illusion, human society seems to be a copy of the Divine State.”[[195]]

In its movement towards absolute unity, the human mind has still some stages to pass through before reaching the term. It conceives of a divinity far superior to the rest, who, however, act under him (Jupiter optimus maximus), and whom he does not suppress. This is “monolatry” but not monotheism. We still find accommodations and compromises in the conceptions of triads (trinities) and dyads (associations of masculine and feminine divinities). In fact, pure monotheism is a conquest of the metaphysical spirit, which traces back the series of secondary causes to discover the first cause, rather than an intuition of popular consciousness.

This survey of ascending generalisation is somewhat schematic, and has been presented as an ideal restoration, though all its elements have been taken from reality. Some nations have attained the first stages only; others have, with much difficulty, passed beyond them; others have passed through several at a bound. Perhaps the evolution of religious ideas has not been in any two cases identical.