随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。
Randomized evaluations can help us understand what works and what doesn't in development.
I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.
You have to fight to reach your dream. You have to sacrifice and work hard for it.
To live without experiencing some of the most beautiful relations life affords is not to have lived at all.
By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.
流放不仅仅是一个地理概念；你可以在自己的国家、自己的家庭、自己的皮肤里成为流放者。
I have always been attracted by the fantastic, the strange, the surreal.