Sustainable energy solutions will define the 21st century.
可持续能源解决方案将定义21世纪。
可持续的做法不是成本，而是对我们共同未来的投资。
The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.
To be a Negro in America is to be in a constant state of rage.
Writing is a way of preserving the truth of the past.