Randomized evaluations can help us understand what works and what doesn't in development.
Judge a man by his questions rather than by his answers.
在必要时,一个国家杀死暴君的权利永远不应受到质疑。
每当新的一天开始,恐惧都有机会茁壮成长,信念也一样有机会开花结果。你们将面临屈服于恐惧或建立信念的抉择。
The mystery of creation is like the darkness of night—it is great. Delusions of knowledge are like the fog of the morning.
"The human heart, at whatever age, opens only to the heart that opens in return."