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煤炭不僅僅是一種商品，它是對美國未來的承諾。

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

我們是沒說出的話的主人。我們是說出的話的努力。

Power is not a tool, it is a weapon. And like any weapon, it can be used for good or ill.

詩歌是暗示的藝術，而非斷言的藝術。