人声是最美的乐器，也是最难演奏的乐器。
The human voice is the most beautiful instrument of all, and the most difficult to play.
The future belongs to those who can adapt while staying true to core values.
In the end, we will remember not the words of our enemies, but the silence of our friends.
世界是一首伟大的交响乐，我们是其中的音符。
学习不以学识渊博为尊贵，贵在能够所学的为正道。
Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.
煤炭的真正价值在于我们如何负责任地开采和使用它。