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

I don't think limits.

"The best children's books are the ones that make children think."

最可持续的皮革来自最受尊重的动物。

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

当你跟别人谈判的时候，不要把目光瞄准蛋糕中最大的一片；要瞄准如何把蛋糕做大。