The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

Urban design is not just about buildings, but about the spaces between them.

穷人并非不理性；他们和任何人一样理性，但他们在非常不同的约束下行动。

"The challenge is to make the impossible look real, and the real look extraordinary."

Every setback is a setup for a comeback.

Words have no power to impress the mind without the exquisite horror of their reality.