The only way to discover the limits of the possible is to go beyond them into the impossible.

老师声称代数是完美而自然的、我们应无条件地接受它，而我甚至不能理解什么是数。对我来说数学课完全就是恐怖和折磨。我完全不理解代数，这使我胆怯得不敢问任何问题。

我相信讲故事的力量。我认为故事可以改变世界。

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.

数学中最激动人心的时刻是当你看到以前似乎不相关的事物之间的联系时。

你必须把失败看作开始和中间，但绝不要把它当作终点。

A building should be rooted in its place, but reach out to the world.

The pace of change demands that we unlearn as much as we learn.