The challenge in model checking is not just to find errors, but to understand why they occur.

人生最重要的事是停止说“我希望”，开始说“我会”。

She was the heir of ash and fire, and she would bow to no one.

过去总是与我们同在，因为它滋养着现在。

For the past 33 years， I have looked in the mirror every morning and asked myself: 'If today were the last day of my life， would I want to do what I am about to do today？' And whenever the answer has been 'No' for too many days in a row， I know I need to change something.