外交是一门没有永久朋友，只有永久利益的学科。
Diplomacy is the art of restraining power.
采矿业有责任以既有利于股东又有利于社区的方式运营。
The initial conditions of the universe are a profound mystery, and inflation offers a possible explanation for why the universe looks the way it does.
"I don't know if I believe in God, but I believe in the power of people to create gods."
量子电动力学的发展表明，粒子的概念并不像曾经认为的那样简单。
"The beauty of literature is that it allows us to live a thousand lives in one."