The future of coal is not about the past; it's about innovation and sustainability.

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

The greatest risk is standing still while the world changes around us.

一本书之所以成为一本“好书”，主要是因为我们在对的时候读了它。