From the moment he switches on an early-morning news broadcast until he falls asleep at night over a novel or a magazine, he is, like all other peopl… - S. I. Hayakawa

In the case of drama (stage, movies, television ), there appear to be people in almost every audience who never quite fully realize that a play is a set of fictional, symbolic representations. An actor is one who symbolizes other people, real or imagined. [...] Also some years ago it was reported that when Edward G. Robinson, who used to play gangster roles with extraordinary vividness, visited Chicago, local hoodlums would telephone him at his hotel to pay their professional respects.

Citizens of a modern society need [...] more than that ordinary "common sense" which was defined by Stuart Chase as that which tells you that the world is flat. They need to be systematically aware of the powers and limitations of symbols, especially words, if they are to guard against being driven into complete bewilderment by the complexity of their semantic environment. The first of the principles governing symbols is this: The symbol is NOT the thing symbolized; the word is NOT the thing; the map is NOT the territory it stands for. (editor's link)

A human being, then, is never dependent on his own experience alone for his information. Even in a primitive culture he can make use of the experience of his neighbors, friends, and relatives, which they communicate to him by means of language. Therefore, instead of remaining helpless because of the limitations of his own experience and knowledge, instead of having to discover what others have already discovered, instead of explporing the false traits they explored and repeating their errors, he can go on from where they left off. Language, that is to say, makes progress possible.