Over time, our emerging high-usage products will likely generate significant new revenue streams for Google as well as for our partners, just as search does today.

The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.

The more you know, the more you grow.

劳动经济学从根本上讲是理解人们的选择和约束。

The only way to do great work is to love what you do.

I don’t let the future limit me, I let it inspire me.

The only good is knowledge and the only evil is ignorance.