The most promising words ever written on the maps of human knowledge are terra incognita, unknown territory.

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

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

An image is not simply a trademark, a design, a slogan or an easily remembered picture. It is a studiously crafted personality profile of an individual, institution, corporation, product or service.

Being known primarily for their well-knownness, celebrities intensify their celebrity images simply by becoming widely known for relations among themselves. By a kind of symbiosis, celebrities live off one another.

The computer can help us find what we know is there. But the book remains our symbol and our resource for the unimagined question and the unwelcome answer.

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