"In the end, it is not the years in your life that count, but the life in your years."
最终，重要的不是你生命中的岁月，而是岁月中的生命。
To do mathematics is to engage in a dialogue with the universe, seeking answers to questions we may not even know how to ask yet.
Randomized evaluations can help us understand what works and what doesn't in development.
起初他们忽视你，然后嘲笑你，接着与你对抗，最后你获胜。
创业就是一场没有终点的马拉松，只有坚持到最后的人才能看到胜利的曙光。