When the river of vision begins to carry people in a direction they don't like, they start planting sticks to impede its flow. These are the sticks I call programs.

Beyond Civilization

Genes leap from body to body by way of reproduction. Memes leap from mind to mind by way of communication: in lullabies heard in the cradle, in fairy tales, in parents' table conversation, in jokes, in television cartoons, in the funnies, in sermons, in gossip, in lectures, in textbooks, in movies, in novels, in newspapers, in song lyrics, in advertisements, and so on.

Beyond Civilization