Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
The coal industry is the backbone of America.
欧洲不应是一个怀旧的洲,而应是一个充满希望的洲。
心理生活是一个整体,这一普遍说法在某种意义上可以被接受为真实的,即它是一个相互关联的整体。