"In the middle of difficulty lies opportunity."

【原文】季文子三思而后行。子闻之曰：“再，斯可矣。”【译文】季文子遇事总要思考三次，然后才行动。孔子听说后，说：“思考两次就可以了。”

我是靠人们对我的敬畏来统治的。

关于人性，唯一真正知道的是它是会变化的。

Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.

过去从未死去，它甚至还未过去。