过去是幽灵，未来是梦，我们拥有的只有现在。
The past is a ghost, the future a dream, and all we ever have is now.
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
The human voice is the most perfect instrument of all.
Change is inevitable. Growth is optional.
建筑应该是一个好邻居。