The document discusses how blindness is often used symbolically in literature. It provides examples of works where blindness represents an inability to see truth or reality. The first quote analyzes how the narrator of "Araby" is blinded by love and disappointment. The second quote discusses how important characteristics should be introduced early using the example of Indiana Jones' fear of snakes. The third quote notes how the blinded Oedipus gains new vision and understanding through his suffering.