技术是在满足全球能源需求的同时减少排放的关键因素。

"The truth is rarely pure and never simple."

If a lion could talk, we could not understand him.

希望是美好的，也许是人间至善，而美好的事物永不消逝。

"If liberty means anything at all, it means the right to tell people what they do not want to hear."