无论代价如何，安全必须始终放在第一位。

The study of computation is essential to understanding the limits of what can be computed.

I write to make sense of the world around me.

生活是一段旅程，而不是一个目的地。

The success of an enterprise does not only rely on capital and technology, but more importantly, on talent.

人民是革命的根基。没有人民，革命就不能成功。