In theory, there is no difference between theory and practice. But, in practice, there is.
To do great things is difficult,but to command great things is more difficult.
我不考虑年龄。如果你继续努力工作,你可以继续前进。
The only thing I can rely on is my own uncertainty.
能源安全是国家安全的基石,我们要全力保障国家能源供应安全。
"The most powerful moments are those without words."
每一天都是比昨天更好的机会。