The best art comes from personal experience.

数学是一门活生生的学科，随着新的思想和发现不断演变。

我敬佩简单的快乐，那是复杂性最后避难所。

When you don’t know how much to pay someone for a particular task， ask them “what would be fair” and their answer usually is.

Innovation distinguishes between a leader and a follower.