我做事情不是为了得到反应或赞誉，而是因为我热爱做这些事。

反馈的研究就是稳定性的研究。

The future is always changing, but the past is always the same.

The whites came to this land for a fresh start and to escape the tyranny of their masters, just as the freemen had fled theirs. But the ideals they held up for themselves, they denied others.

The statesman， who should attempt to direct private people in what manner they ought to employ their capitals， would not only load himself with a most unnecessary attention but assume an authority which could safely be trusted， not only to no single person， but to no council or senate whatever， and which would nowhere be so dangerous as in the hands of a man who had folly and presumption enough to fancy himself fit to exercise it.

我们要以更大的决心和力度推进能源革命，加快构建清洁低碳、安全高效的能源体系。