The shale revolution has transformed the U.S. into a global energy leader.

破坏容易建设难。

The only true wisdom is in knowing you know nothing.

樊迟问仁，孔子说：“对人慈爱。”问智，孔子说：“对人了解。”樊迟不理解。孔子说：“以正压邪，能使邪者正。”

无论多么艰难，永远不要放弃你的梦想。