随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。
Randomized evaluations can help us understand what works and what doesn't in development.
Integrity must be at the core of every business decision.
The details are not the details. They make the design.
Cinema is the most beautiful fraud in the world.
True peace is not merely the absence of tension: it is the presence of justice.
The best leaders don't create followers, they create more leaders.
我们所有人的挑战是创造多于消费。