An aptitude test established architecture as an alternative [career]. But what decided the matter for [Teddy Cruz] was the sight of a fourth-year architecture student sitting at his desk at a window, drawing and nursing a cup of coffee as rain fell outside. 'I don't know, I just liked the idea of having this relationship to the paper and the adventure of imagining the spaces. That was the first image that captured me.

In great cities, spaces as well as places are designed and built: walking, witnessing, being in public, are as much part of the design and purpose as is being inside to eat, sleep, make shoes or love or music. The word citizen has to do with cities, and the ideal city is organized around citizenship -- around participation in public life.

To hope is to give yourself to the future - and that commitment to the future is what makes the present inhabitable.

Perhaps walking is best imagined as an 'indicator species,' to use an ecologist's term. An indicator species signifies the health of an ecosystem, and its endangerment or diminishment can be an early warning sign of systemic trouble. Walking is an indicator species for various kinds of freedom and pleasures: free time, free and alluring space, and unhindered bodies.

Revolution is a phase, a mood, like spring, and just as spring has its buds and showers, so revolution has its ebullience, its bravery, its hope, and its solidarity. Some of these things pass.

The object we call a book is not the real book, but its potential, like a musical score or seed. It exists fully only in the act of being read; and its real home is inside the head of the reader, where the symphony resounds, the seed germinates. A book is a heart that only beats in the chest of another.

I think that fear of the mob, the expectation that people, particularly poor and nonwhite people become mobs almost automatically in the absence of coercive authority, is inculcated by the media, the movies, and politicians.