To be human is to be flawed, but it is also to be capable of great change.

科学家研究自然并非因为它有用；他研究它是因为他从中获得乐趣，而他从中获得乐趣是因为它是美丽的。

Resilience and adaptability are key in infrastructure development.

生活是一系列的时刻，有些明亮，有些黑暗，但都是必不可少的。

"The most important thing is to stay focused on the mission."

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.