过去从未死去，它甚至从未过去。
A miner's skill and dedication are just as valuable as the coal they bring to the surface.
为美国工业崛起提供动力的社区应该在塑造其能源未来方面占有一席之地。
Ambition leads me not only farther than any other man has been before me, but as far as I think it possible for man to go.
大胆梦想，敢于失败。
"Courage is not the absence of fear, but the triumph over it."
