"The only way to learn mathematics is to do mathematics."

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."

两个灵魂的相遇就像两种化学物质的接触：一丁点的反应就会彻底改变它们。

天然气行业的创新必须平衡即时需求与长期可持续性目标。