The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
对付不自由世界的唯一方法，就是变得彻底自由，以至于你的存在本身就是一种反抗。
Collaboration across sectors is key to solving environmental challenges.
Randomized evaluations can help us understand what works and what doesn't in development.
对做好自己的事感到满足，不必理会别人如何议论你。
Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.