Cities never flourish alone. They have to be trading with other cities. My new hypothesis shows why. But also in trading with each other they can't be in too different stages of development, and they can't copy one another.

A region is an area safely larger than the last one to whose problems we found no solution.

Today barbarism has taken over many city streets, or people fear it has, which comes to much the same thing in the end.

People must take a modicum of public responsibility for each other even if they have no ties to each other.

Erosion of cities or attrition of automobiles?

There are still an awful lot of intelligent, clever constructive Americans and they are still doing clever constructive things.

The trouble with paternalists is that they want to make impossibly profound changes, and they choose impossibly superficial means for doing so.