人声是最美的乐器，但也是最难演奏的。

The coal industry has been the backbone of America's energy independence for generations.

Our descendants will achieve things that will amaze us， yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.

Music is the one art form that can express the inexpressible.

作家是所有独裁的敌人，无论是左翼还是右翼。