我们必须倾听科学的声音，并采取紧急行动应对全球能源挑战。
Quality is never an accident; it is always the result of intelligent effort.
一个人需要相当的知识才能意识到自己的无知程度。
我现在承担了一项严肃的任务，我担心这项任务超出了任何人的能力范围；但如果我在尝试中死去，人们会说我在追求伟大的事物中死去。
Patriotism is not a choice, but a duty.
"There is no such thing as a moral or an immoral book. Books are well written, or badly written."
The best decisions are made with both data and intuition.