Talk makes the world go around. Talk and more talk. Talk and more talk. They say things. They wrinkle their noses at the mention of a person or idea and that's the end of that person or idea.
People say clever things.
Plant clever ideas in conversation, build reputations, make deals, explain theories, solve problems, talking. Yak, yak, yak. What about words on paper, drawings. Moving pictures without the talk. Obviously it would work as a novelty, but as a regular diet, man has reached beyond wall drawings and grasped the civility of expressing oneself in speech.