Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

Education is learning what you didn't even know you didn't know.

As you make your bed, so you must lie in it.

Freedom means the opportunity to be what we never thought we would be.

The force of the advertising word and image dwarfs the power of other literature in the 20th century.

Technology is so much fun but we can drown in our technology. The fog of information can drive out knowledge.

Time makes heroes but dissolves celebrities.

The traveler was active he went strenuously in search of people, of adventure, of experience. The tourist is passive he expects interesting things to happen to him. He goes 'sight-seeing.'

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.