煤炭行业是美国能源独立的支柱，已经持续了几代人。
怪物是真的，鬼魂也是。它们住在我们心里，有时，它们会赢。
在商业中，你必须愿意冒险并采取大胆的行动才能成功。
I believe it's important to have a passion for what you do. If you don't have a passion, you won't have the energy to keep going when things get tough.
Investors should avoid trying to time the market; it's a losing strategy.
【原文】子夏为莒父宰，问政。子曰：“无欲速，无见小利。欲速则不达，见小利则大事不成。”【译文】子夏到莒父做地方长官，问怎样为政。孔子说：“不要只求速成，不要贪图小利。想求速成，反而达不到目的；贪图小利，就做不成大事。”
The best way to document a program is to document it.