世界是一本书,不旅行的人只读了一页。
The world is a book, and those who do not travel read only one page.
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
善良是最美的语言。
你不能只是坐在那里等待别人给你那个黄金梦想,你必须走出去,自己去实现它。
Randomized evaluations can help us understand what works and what doesn't in development.