The best songs are the ones that come from the soul.

统计学中最重要的不是数字，而是产生这些数字的方法及其背后的意义。

国际体系的结构迫使国家以某种方式行事，无论其内部特征如何。

"You can't judge people by what they do with their lives. You can only judge them by how they treat you."

Ask not what your country can do for you --ask what you can do for your country.

"We are all shaped by the choices of those who came before us."

我为我所信仰的东西挺身而出，我不会退缩。