Broca's Brain: Reflections on the Romance of Science

by Carl Sagan

Nationalism is an infantile disease. It is the measles of mankind … Our schoolbooks glorify war and hide its horrors. They inculcate hatred in the veins of children. I would teach peace rather than war. I would inculcate love rather than hate.”

Any judgment that a technological development will have adverse human consequences implies a loss of profit for someone.

The demise of the automobile surely has many positive aspects when viewed in the long run, one of which is a return to the oldest transportation mechanism, walking, and to bicycling, which is in many ways the most remarkable.