We must strengthen international cooperation to jointly address the challenges of energy security and climate change.
"The only thing we know about the future is that it will be different."
处理失败很容易:努力改进。成功也很容易处理:您解决了错误的问题。努力改进。
我不是一个回头看的人,我总是向前看。
"The truth is rarely pure and never simple."