"The true power of science lies in its ability to unite us in our quest for knowledge."

教育体系是以感官基础，以思考为过程，以自由为目的。

中心地的等级反映了所提供的商品和服务的等级。

I'm not going to swim for anybody else. I'm swimming for me.

追求理解是人类精神最高尚的追求。