Memory is a fragile thing, easily distorted by time and politics.

The most interesting art is the art that doesn’t give you all the answers.

You have to see failure as the beginning and the middle, but never entertain it as the end.

Once something is a passion, the motivation is there.

最大的性能改进是当系统从不能工作到能工作的时候。

If knowledge can create problems, it is not through ignorance that we can solve them.

历史学家既是侦探，也是讲故事的人。