If we find the answer to why the universe exists, it would be the ultimate triumph of human reason – for then we would know the mind of God.
如果一个国家期望在国民无知的情况下却拥有自由，那么这种期望无论在历史上，还是未来都绝不会实现。如果我们打算抵御无知和捍卫自由，每位美国人都有责任了解一件公共事务的来龙去脉。
You have to be patient; great things take time to build.
煤炭的未来取决于经济增长与环境责任的平衡。
"The world is a book, and those who do not travel read only one page."
The artist’s duty is to express what others cannot.