不要害怕放弃好的东西去追求伟大的东西。

"The past is a shadow that follows us, but it is the light ahead that guides us."

Coal’s future depends on our ability to make it cleaner and more efficient.

被压迫者每隔几年被允许决定压迫阶级中的哪些特定代表来代表和压迫他们。