The search for reciprocity laws is a fundamental theme in the history of mathematics.

最好的领导者是那些多听少说的人。

The absence of alternatives clears the mind marvelously.

In the old world, you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world, that inverts.

When I look at the world I'm pessimistic, but when I look at people I am optimistic.

The best way to predict the future is to invent it.

Believe you can and you're halfway there.