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

When [competitors are] in the shower in the morning, they're thinking about how they're going to get ahead of one of their top competitors. Here in the shower, we're thinking about how we are going to invent something on behalf of a customer.

探索计算复杂性是一段进入未知的旅程，每一次发现都会打开新的门。

水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。

对未知的恐惧是一切智慧的开始。

我们生产的每一片药都承载着一个承诺——治愈、希望、改善生活。