几何学是关于永恒存在的知识。
The novel is the most complete form of human expression.
Technology can change the world, but values determine the direction of change.
We don't inherit the earth from our ancestors; we borrow it from our children.
The future belongs to those who prepare for it today.
人民有三种忧患:饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。