天下的一切事物不可以没有标准，做人要有做人的标准，即原则;做事要有做事的标准，即规则;治国要有治国的标准，即法则。不遵循一定的标准而能成事者，自古以来是没有的。

人生而自由，却无处不在地受着枷锁。

The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.

君子勇于改正错误，小人则文过饰非。

Innovation is the driving force behind the sustainable development of enterprises.

"A mathematician is a device for turning coffee into theorems."