The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

"Imagination is more important than knowledge."

我不在乎别人怎么说，我只在乎自己怎么做。

在时间的长河里，我们都是移民。

学习不仅仅是获得思考的能力；它是获得许多专门化的能力，用以思考各种各样的事物。

My blindness is not a tragedy, but just another way of seeing.

The truth is a slippery thing, especially in the dark.

心理学是科学，教学是艺术；科学永远不会直接从自身产生艺术。