The manager of a fruit and vegetable shop places in his window, among the onions and carrots, the slogan: 'Workers of the world, unite!' Why does he do it? What is he trying to communicate to the world? Is he genuinely enthusiastic about the idea of unity among the workers of the world? Is his enthusiasm so great that he feels an irrepressible impulse to acquaint the public with his ideals? Has he really given more than a moment's thought to how such a unification might occur and what it would mean?

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The slogan is really a sign, and as such it contains a subliminal but very definite message. Verbally, it might be expressed this way: 'I, the greengrocer XY, live here and I know what I must do. I behave in the manner expected of me. I can be depended upon and am beyond reproach. I am obedient and therefore I have the right to be left in peace.' This message, of course, has an addressee: it is directed above, to the greengrocer's superior, and at the same time it is a shield that protects the greengrocer from potential informers. The slogan's real meaning, therefore, is rooted firmly in the greengrocer's existence. It reflects his vital interests. But what are those vital interests?

Let us take note: if the greengrocer had been instructed to display the slogan, 'I am afraid and therefore unquestioningly obedient', he would not be nearly as indifferent to its semantics, even though the statement would reflect the truth. The greengrocer would be embarrassed and ashamed to put such an unequivocal statement of his own degradation in the shop window, and quite naturally so, for he is a human being and thus has a sense of his own dignity.