"Once you have learned to ask questions – relevant and appropriate and substantial questions – you have learned how to learn and no one can keep you from learning whatever you want or need to know."

Neil Postman (1931 –  2003) was an American author, educator, media theorist and cultural critic.  He is best known for his books regarding technology and education, including Amusing Ourselves to Death (1985), Conscientious Objections (1988), Technopoly: The Surrender of Culture to Technology (1992), The Disappearance of Childhood (1982) and The End of Education: Redefining the Value of School (1995). He also wrote about postmodernism, semantics, linguistics, and technopolies.

Sources: Wikipedia, NeilPostman.org