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"We are all in the gutter, but some of us are looking at the stars."

The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.

You must force yourself to consider opposing arguments.Especially when they challenge your best-loved ideas.

我是野獸，我是狗，我是個該死的問題。

最好的解決方案往往來自于傾聽那些在土地上勞作的人們。