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

一个人的心是只服从他自己的，你想束缚它，结果却释放了它；如果让它自由自在的话，你反而把它束缚得紧紧的了。

I'm not perfect, and I don't pretend to be.

"The world is a book, and those who do not travel read only one page."

Challenges are opportunities in disguise. Embrace them, and you’ll find growth where others see obstacles.