1. To bring in outside input. Only very proud people would think they don't need to learn more from others.
2. To enrich my life. Many wonderful joys are found in great reading. This is one of the artistic benefits of reading.
3. To be able to share and give out more. The more we have, the more we can give.
4. To exercise our brain muscles. I have heard that our brains do very little while watching TV (almost as if we are dead) and are very active when we are reading (translating little marks on a page into concepts).
5. Because God wrote a Book.
A very interesting and challenging book on this topic is "The Disappearance of Childhood" by Neil Postman.