Idea-assassins rush forward to kill any new suggestion on the grounds of its impracticality, while defending whatever now exists as practical, no matter how absurd.

Technology feeds on itself. Technology makes more technology possible.

By challenging anthropocentricism and temporal provincialism, science fiction throws open the whole of civilization and its premises to constructive criticism.

We will only keep people from fleeing the countryside into urban favelas, villas miseries, shantytowns and squatter villages when the productivity gap is closed between what brute labor on the soil can accomplish and what advanced technology makes possible today - and will make possible tomorrow.

You can use all the quantitative data you can get, but you still have to distrust it and use your own intelligence and judgment.

By instructing students how to learn, unlearn and relearn, a powerful new dimension can be added to education. Psychologist Herbert Gerjuoy of the Human Resources Research Organization phrases it simply: 'The new education must teach the individual how to classify and reclassify information, how to evaluate its veracity, how to change categories when necessary, how to move from the concrete to the abstract and back, how to look at problems from a new direction — how to teach himself. Tomorrow's illiterate will not be the man who can't read; he will be the man who has not learned how to learn.'

You've got to think about big things while you're doing small things, so that all the small things go in the right direction.