在科学中最重要的不是解决问题，而是提出正确的问题。
The most important thing in science is not to solve problems, but to ask the right questions.
Investing in cleaner coal technologies is an investment in our future.
"The past is a foreign country; they do things differently there."
Don’t let fear stop you from being who you are.
我不是解放者。解放者不存在。人民自己解放自己。
美不是目标，但它常常在路上出现。
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.