在我的国家，要当上总统，得先待过监狱一回。
In my country we go to prison first and then become President.
The signal of human influence on climate has emerged from the noise of natural variability.
I think the most important thing is to be honest and truthful.
技术不仅仅是一种工具，它可以成为一个伟大的均衡器。
最大的风险是不冒任何风险。