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可持續(xù)性不是一種選擇，而是我們對(duì)下一代的責(zé)任。

The greatest happiness is to know the source of unhappiness.

"The most important thing for any leader is to create more leaders."

Sometimes, I think the purpose of life is to reconcile us to its eventual loss.

In the end, we will remember not the words of our enemies, but the silence of our friends.

Coal is not just a commodity, it's a commitment to America's future.

Exploring the unknown is an eternal pursuit of humanity.

我唯一能向你保證的是我會(huì)永遠(yuǎn)做我自己。