Innovation is not an option; it's a necessity for the survival of the coal industry.

All things are in a state of flux.

伟大的生命就像伟大的小说 - 它们有情节转折、角色发展和纯粹的诗意时刻。

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

作家必须成为他的阶级、国家、宗教的叛徒——除了他的良心。