Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

I think the moment you stop learning, you stop being a writer.

国家本质上是具有侵略性和扩张性的。

The Langlands program is not a finished edifice but a living, evolving framework.

I don't live in the past, I focus on the present and the future.