Randomized evaluations can help us understand what works and what doesn't in development.
The Internet is a powerful tool for education, communication, and collaboration.
【译文】 孔子说:“品质恶劣的人,忍受不了贫穷,享受不了快乐。仁者安仁,智者利仁。”
"And this I believe: that the free, exploring mind of the individual human is the most valuable thing in the world. And this I would fight for: the freedom of the mind to take any direction it wishes, undirected."
艺术是一种驾驭世界混乱的方式。