人生中唯一真正的失败是不忠于自己所知的最好。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The only true happiness comes from squandering ourselves for a purpose.

The African artist is not a representative but an individual voice.

人类心智是一套信息处理机器，由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。

I will hazard a prediction. When you are 80 years old， and in a quiet moment of reflection narrating for only yourself the most personal version of your life story， the telling that will be most compact and meaningful will be the series of choices you have made. In the end， we are our choices. Build yourself a great story.