The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.

Algorithms are not just for solving problems; they are also for understanding the world.

我认为生活中最重要的事情就是快乐。

In software design, we should strive for simplicity and clarity, avoiding unnecessary complexity.

The world is full of obvious things which nobody by any chance ever observes.

The environment will appear different to different observers depending on what they are prepared to see.