The second mode to deal with unsafe cities is to take refuge in vehicles. This is the technique practiced in the big wild-animal reservations of Africa, where tourists are warned to leave their cars under no circumstances until they reach a lodge. It is also the technique practiced in Los Angeles.

it is immoral for powerless people to accept this powerlessness. They may not succeed in getting power but they can fight for it, and if enough fight for it, it makes it very difficult for the people with the big sticks.

Innovating economies expand and develop. Economies that do not add new kinds of goods and services, but continue only to repeat old work, do not expand much nor do they, by definition, develop.

Neighborhood is a word that has come to sound like a Valentine. As a sentimental concept, 'neighborhood' is harmful to city planning. It leads to attempts at warping city life into imitations of town or suburban life. Sentimentality plays with sweet intentions in place of good sense.

Does anyone suppose that, in real life, answers to any of the great questions that worry us today are going to come out of homogeneous settlements?

Cities are an immense laboratory of trial and error, failure and success, in city building and city design.

Lowly, unpurposeful and random as they may appear, sidewalk contacts are the small change from which a city's wealth of public life may grow.