现在是过去的卷起以行动，过去是现在的展开以理解。
The present is the past rolled up for action, and the past is the present unrolled for understanding.
Hope is the last thing to die, and the first thing to betray you.
We are all searching for something, even if we don't know what it is.
The future of coal depends on balancing economic growth with environmental responsibility.
如果易用性是唯一的要求，那么每个人都会还在骑三轮车。