Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.

我的梦想是用音乐感动全世界。

诗人是一个能在最丑陋的事物中找到美的人。

The study of the early universe is not just about understanding the past, but also about uncovering the fundamental laws that govern all of reality.

学习是系统中产生的任何变化，这些变化或多或少会永久性地改变其适应环境的能力。