Embedded in every technology there is a powerful idea, sometimes two or three powerful ideas. Like language itself, a technology predisposes us to favor and value certain perspectives and accomplishments and to subordinate others. Every technology has a philosophy, which is given expression in how the technology makes people use their minds, in how it codifies the world, in which of our senses it amplifies, in which of our emotional and intellectual tendencies it disregards.

A book is an attempt to make through permanent and to contribute to the great conversation conducted by authors of the past. […] The telegraph is suited only to the flashing of messages, each to be quickly replaced by a more up-to-date message. Facts push other facts into and then out of consciousness at speeds that neither permit nor require evaluation. (70)

The idea of taking what people call the 'entertainment culture' as a focus of study, including historical perspective, is not a bad idea.

Remember: in order for a perception to change one must be frustrated in one's actions or change one's purpose.

Children enter school as question marks and leave as periods.

Television is our culture's principal mode of knowing about itself. Therefore -- and this is the critical point -- how television stages the world becomes the model for how the world is properly to be staged. It is not merely that on the television screen entertainment is the metaphor for all discourse. It is that off the screen the same metaphor prevails. (92)

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.