Culture Education Evolution Human Species Illusions Knowledge Knower Language Mind Nature and Humans Self Society Words. Evolution, education, child, intelligence, extinction, survival. Natural world, internal world, external world, sensory system, illusions. Human species adaptation to a reality of knowing. Private materialistic world of ideas, questions and answers, something from nothing, learning, mirage, human conditioning, ghost in the machine, center, consciousness, concepts, purpose and meaning, thinking, human thought.