To seek "causes" of poverty in this way is to enter an intellectual dead end because poverty has no causes. Only prosperity has causes.

I get absolutely ruthless in my own way about not doing anything else when I am trying to concentrate on writing a book. I have to stick to it and concentrate.

Power is supposed to be so corrupt. I don't think it's so much corrupt, in the usual sense of the word, as stupid and unrealistic. The more power a person has, the further he gets from reality.

The ballet of the good city sidewalk never repeats itself from place to place, and in any one place is always replete with new improvisations.

All through organized history, if you wanted prosperity you had to have cities. Cities are places that attract new people with new ideas.

I think that things are going to change just because people get too damn bored with what they have.

Old ideas can sometimes use new buildings. New ideas must use old buildings.