The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.

我不是那种会让对竞争的爱减少的人。

年轻人不知道什么是谨慎，因此他们尝试不可能的事情——并且一代又一代地实现了它。

实现不可能的唯一方法就是相信它是可能的。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

量子力学的本质在于它提供了一个数学框架，用于描述原子和亚原子粒子的行为。