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

过去是一团永不停止燃烧的火。

我不是说唱歌手，我是一个摇滚明星。

Success isn't about being the biggest; it's about making the biggest positive impact.

哲学的任务在于揭示被日常经验遮蔽的真理。

贪婪的欲望会带来痛苦，舍弃贪欲才能获得真正的快乐。

The way she saw it, being free was nothing more than a hustle.

建筑的诗意在于它无需言语就能打动我们的能力。

大多数人在紧急的事情上花了太多的时间，在重要的事情上花的时间却不够多。