The courage to imagine the otherwise is our greatest resource, adding color and suspense to all our life.

A wonderful thing about a book, in contrast to a computer screen, is that you can take it to bed with you.

An enamored amateur need not be a genius to stay out of the ruts he has never been trained in.

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

Modern tourist guides have helped raised tourist expectations. And they have provided the natives- from Kaiser Wilhelm down to the villagers of Chichacestenango - with a detailed and itemized list of what is expected of them and when. These are the up-to-date scripts for actors on the tourists' stage.

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.