Randomized evaluations can help us understand what works and what doesn't in development.

你的眼睛看不见是因为我。

Be scrupulously truthful, even when truth is inconvenient, for it is more inconvenient when you try to conceal it.

我们都生活在阴沟里，但仍有人仰望星空。

世间充满神奇之物，它们正耐心等待我们的心智变得愈加敏锐。