不要被你不知道或没做的事情定义。
Don't be defined by what you didn't know or didn't do.
The boundaries of our knowledge are the frontiers of our imagination.
Safety is our top priority in all operations.
解析:心是身体的主宰,意是心的发用。
目标不是永远活着,而是创造一些能够永存的东西。
The coal industry has been the backbone of America's energy independence for generations.