When studying in a preceding work the part played by ideas in the evolution of nations, we showed that every civilisation is the outcome of a small number of fundamental ideas that are very rarely renewed. We showed how these ideas are implanted in the minds of crowds, with what difficulty the process is effected, and the power possessed by the ideas in question when once it has been accomplished. Finally we saw that great historical perturbations are the result, as a rule, of changes in these fundamental ideas.
Having treated this subject at sufficient length, I shall not return to it now, but shall confine myself to saying a few words on the subject of such ideas as are accessible to crowds, and of the forms under which they conceive them.
They may be divided into two classes. In one we shall place accidental and passing ideas created by the influences of the moment: infatuation for an individual or a doctrine, for instance. In the other will be classed the fundamental ideas, to which the environment, the laws of heredity and public opinion give a very great stability; such ideas are the religious beliefs of the past and the social and democratic ideas of today.
These fundamental ideas resemble the volume of the water of a stream slowly pursuing its course; the transitory ideas are like the small waves, forever changing, which agitate its surface, and are more visible than the progress of the stream itself although without real importance.
At the present day the great fundamental ideas which were the mainstay of our fathers are tottering more and more. They have lost all solidity, and at the same time the institutions resting upon them are severely shaken. Every day there are formed a great many of those transitory minor ideas of which I have just been speaking; but very few of them to all appearance seem endowed with vitality and destined to acquire a preponderating influence.
Whatever be the ideas suggested to crowds they can only exercise effective influence on condition that they assume a very absolute, uncompromising, and simple shape. They present themselves then in the guise of images, and are only accessible to the masses under this form. These imagelike ideas are not connected by any logical bond of analogy or succession, and may take each other’s place like the slides of a magic-lantern which the operator withdraws from the groove in which they were placed one above the other. This explains how it is that the most contradictory ideas may be seen to be simultaneously current in crowds. According to the chances of the moment, a crowd will come under the influence of one of the various ideas stored up in its understanding, and is capable, in consequence, of committing the most dissimilar acts. Its complete lack of the critical spirit does not allow of its perceiving these contradictions.
This phenomenon is not peculiar to crowds. It is to be observed in many isolated individuals, not only among primitive beings, but in the case of all those—the fervent sectaries of a religious faith, for instance—who by one side or another of their intelligence are akin to primitive beings. I have observed its presence to a curious extent in the case of educated Hindus brought up at our European universities and having taken their degree. A number of Western ideas had been superposed on their unchangeable and fundamental hereditary or social ideas. According to the chances of the moment, the one or the other set of ideas showed themselves each with their special accompaniment of acts or utterances, the same individual presenting in this way the most flagrant contradictions. These contradictions are more apparent than real, for it is only hereditary ideas that have sufficient influence over the isolated individual to become motives of conduct. It is only when, as the result of the intermingling of different races, a man is placed between different hereditary tendencies that his acts from one moment to another may be really entirely contradictory. It would be useless to insist here on these phenomena, although their psychological importance is capital. I am of opinion that at least ten years of travel and observation would be necessary to arrive at a comprehension of them.
Ideas being only accessible to crowds after having assumed a very simple shape must often undergo the most thoroughgoing transformations to become popular. It is especially when we are dealing with somewhat lofty philosophic or scientific ideas that we see how far-reaching are the modifications they require in order to lower them to the level of the intelligence of crowds. These modifications are dependent on the nature of the crowds, or of the race to which the crowds belong, but their tendency is always belittling and in the direction of simplification. This explains the fact that, from the social point of view, there is in reality scarcely any such thing as a hierarchy of ideas—that is to say, as ideas of greater or less elevation. However great or true an idea may have been to begin with, it is deprived of almost all that which constituted its elevation and its greatness by the mere fact that it has come within the intellectual range of crowds and exerts an influence upon them.
Moreover, from the social point of view the hierarchical value of an idea, its intrinsic worth, is without importance. The necessary point to consider is the effects it produces. The Christian ideas of the Middle Ages, the democratic ideas of the last century, or the social ideas of today are assuredly not very elevated. Philosophically considered, they can only be regarded as somewhat sorry errors, and yet their power has been and will be immense, and they will count for a long time to come among the most essential factors that determine the conduct of States.
Even when an idea has undergone the transformations which render it accessible to crowds, it only exerts influence
