数学之美在于它能够以精确而优雅的方式描述世界。
The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
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.