城市关乎强度、集中和多样性。

幸福的秘密是自由，自由的秘密是勇气。

The past is not behind us; it is within us.

写作是一种勇敢的行为，是面对自己和世界的行为。

The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.