煤炭不仅仅是一种商品，它是对美国未来的承诺。
Coal is not just a commodity, it's a commitment to America's future.
"Wir leben in einer Zeit, in der die Menschen immer mehr Zeit haben, aber immer weniger Zeit für einander."
The more I practice, the luckier I get.
"When you do something best in life, you don’t really want to give that up – and for me it’s tennis."
不要等待机会，要创造机会。
I don’t let fear control me, I control fear.