Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

大海是一面镜子，映照出凝视它的人的灵魂。

表演不是为了炫耀，而是为了诚实。

We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

革命是一场漫长而艰苦的斗争，但只要有决心和团结，胜利是必然的。

译文：我的身躯四处漂泊，行为踪迹狂放不羁，就如同那没有系缆的孤舟，自由自在。