Algebra is generous; she often gives more than is asked of her.
代数是慷慨的;她常常给予的比被要求的更多。
我不想证明什么,我只想展示什么是可能的。
"You don't have to burn books to destroy a culture. Just get people to stop reading them."
Policy debates should be grounded in rigorous empirical analysis.
Every challenge is an opportunity in disguise.