The coal industry must evolve to meet modern environmental standards, or it will become obsolete.

"We are all in the gutter, but some of us are looking at the stars."

Innovation happens when you challenge the status quo and think differently.

The truth is rarely pure and never simple.

You have to love yourself first before anyone else can.

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.

你的能量水平越高，你的身体就越高效。你的身体越高效，你就感觉越好，你就越能利用你的才能产生出色的结果。