在煤炭行业，今天的效率决定明天的存亡。

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... no one ought to harm another in his life, health, liberty, or possessions.

Collaboration across borders and industries is key to solving the complex problems we face today.

We've had three big ideas at Amazon that we've stuck with for 18 years， and they're the reason we're successful:Put the customer first. Invent. And be patient.