Creative, exploratory learning requires peers currently puzzled about the same terms or problems. - Ivan Illich

Convivial tools are those which give each person who uses them the greatest opportunity to enrich the environment with the fruits of his or her vision.

The multinational corporations which have dominated the economy are now being complemented, and may one day be replaced, by supernationally planned service agencies. These enterprises present their services in ways that make all men feel obliged to consume them. They are internationally standardized, redefining the value of their services periodically and everywhere at approximately the same rhythm.

Effective health care depends on self-care; this fact is currently heralded as if it were a discovery.