学习不仅仅是知识的积累，而是理解的转变。
物理学家必须有一种信念，即自然之书是用一种他可以学会阅读的语言写成的。
The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.
