耐心是苦的，但它的果实是甜的。

No man really knows about other human beings. The best he can do is to suppose that they are like himself.

The minute you start talking about what you're going to do if you lose, you have lost.

定理是数学的里程碑。

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

长城汽车要走向世界，必须坚持自主创新。