我们距离完全理解M理论还很远，但这一旅程已经带来了难以置信的回报。
唯一真正的天堂是我们已经失去的天堂。
The chemical industry is the backbone of modern civilization, and we must treat it with the respect and responsibility it deserves.
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The duty of a true patriot is to protect his country from its government.
Science is a force for good, but only if we use it wisely.
思考者最大的幸福是理解可理解的事物，并默默地敬畏不可理解的事物。