形式化方法的美在于它们能够提供关于系统正确性的绝对确定性。

When you have a good research design, the data can speak for itself.

In the theatre, we are all connected by the shared experience of the performance.

石油和天然气在未来几十年仍将是能源结构的一部分，但我们必须尽可能清洁地生产它们。