Randomized evaluations can help us understand what works and what doesn't in development.
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。
We are communal histories, communal books. We are not owned or monogamous in our taste or experience.
艺术家必须既是诗人又是工程师。
I don't believe in luck. I believe in preparation meeting opportunity.
True leadership is about making the tough decisions when no one else will.