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The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.

There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.

"Books are the mirrors that reflect our desires."

奮斗永不停歇。

自然界中沒有線條，只有相互映襯的色彩區域。