民族的歌声永远不会消失。

生活是世界上最稀有的事情。大多数人只是存在，仅此而已。

One great object of the Constitution was to restrain majorities from oppressing minorities.

Mathematics is not just about numbers—it's about patterns, structures, and relationships.

一个作家是一个对现实世界不满意的人，他想要改变它，改善它，让它变得更美丽，更公正，更宜居。

"In observational studies, we often have to rely on assumptions that are not directly testable."

解释：两虎相斗而劣狗趁机得到好处。