最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.
The city is the ultimate architectural challenge.
The best management is a true science, resting upon clearly defined laws, rules, and principles as a foundation.
梦是通往潜意识的康庄大道。
Randomized evaluations can help us understand what works and what doesn't in development.
自由不仅仅是摆脱枷锁，而是以一种尊重和增进他人自由的方式生活。