创新区分了领导者和跟随者。
Innovation distinguishes between a leader and a follower.
应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。
"To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."
Randomized evaluations can help us understand what works and what doesn't in development.
我们不应当如梦游一般地行事和言语。
The greatest disability is a bad attitude.
Errors, like straws, upon the surface flow; he who would search for pearls must dive below.
我走在孤独的路上