Sometimes the best lighting of all is a power failure.

In theory one is aware that the earth revolves, but in practice one does not perceive it, the ground upon which one treads seems not to move, and one can live undisturbed. So it is with Time in one's life.

The revelation of thought takes men out of servitude into freedom.

Imagination is always the fabric of social life and the dynamic of history. The influence of real needs and compulsions, of real interests and materials, is indirect because the crowd is never conscious of it.

First of all, I didn't suggest that we should simply get rid of all prisons.