基础设施决定论原则认为，基础设施的结构决定了上层建筑的结构。

That I exist is a pertetual surprise which is life.

Over one's mind and over one's body the individual is sovereign.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

The pure work implies the disappearance of the poet as speaker.