过去是拼图，而遗传学提供了某些碎片。
The past is a puzzle, and genetics provides some of the pieces.
The minerals we extract today must serve the needs of future generations as well.
煤炭建设了这个国家，煤炭也将保持它的强大。
Till this moment I never knew myself.
最好的领导者不是培养追随者，而是培养更多的领导者。
清白的良心是一个温柔的枕头。