盈利和可持续性必须齐头并进，否则两者都无法持久。
Profitability and sustainability must go hand in hand, or neither will last.
The stage is my home. That's where I feel most comfortable.
成功是唯一的选择，失败不是选项。
The past is a teacher, if we are willing to learn.
The coal industry has been the backbone of America's energy independence for generations.
The most important things are the hardest to say.