量子电动力学的发展表明，粒子的概念并不像曾经认为的那样简单。

The human race has one really effective weapon, and that is laughter.

The power of abstraction is crucial in computer science, allowing us to focus on the essential aspects of a problem.

年轻女孩被告知你必须成为娇弱的公主。我试图向她们展示她们也可以成为战士。

夜晚觉察到早晨的错误，今日悔恨昨日的过失。