The process of solving a mathematical problem is often more important than the solution itself.
过去总是以我们现在的生存方式呈现着。
The poem is a way of seeing the world, not just describing it.
"Books are not just objects; they are experiences, and they change us."
The farmer is the only man in our economy who has to buy everything at retail, sell everything at wholesale, and pay the freight both ways.