Page:Propaganda by Edward Bernays.pdf/51

 It is chiefly the psychologists of the school of Freud who have pointed out that many of man's thoughts and actions are compensatory substitutes for desires which he has been obliged to suppress. A thing may be desired not for its intrinsic worth or usefulness, but because he has unconsciously come to see in it a symbol of something else, the desire for which he is ashamed to admit to himself. A man buying a car may think he wants it for purposes of locomotion, whereas the fact may be that he would really prefer not to be burdened with it, and would rather walk for the sake of his health. He may really want it because it is a symbol of social position, an evidence of his success in business, or a means of pleasing his wife.

This general principle, that men are very largely actuated by motives which they conceal from themselves, is as true of mass as of individual psychology. It is evident that the successful propagandist must understand the true motives and not be content to accept the reasons which men give for what they do.

It is not sufficient to understand only the mechanical structure of society, the groupings and cleavages and loyalties. An engineer may know all about the cylinders and pistons of a locomotive, but unless he knows how steam behaves under pressure he cannot make his engine run. Human desires are the steam which makes the social machine work. Only by understanding them can the propagandist