当今成功领导的关键在于影响力，而非权威。

I don’t think you should ever feel like you’ve achieved everything. You always have to keep pushing.

The only way to learn mathematics is to do mathematics.

图灵机和现代计算机之间有什么区别？这与希拉里（Hillary）登上珠穆朗玛峰（Everest）和在高峰期建立希尔顿酒店之间的过程相同。