Human history began as an act of disobedience, and it is not unlikely that it will be terminated by an act of obedience. At this point in history the capacity to doubt, to criticize and to disobey may be all that stands between a future for mankind and the end of civilization.

In fact, there are very important writings of Marx which are not even translated into English.

The average American is not concerned with his society. He talks about it, but you know if one speaks of being concerned, I mean something about which one loses one's sleep, sometimes.

In the dream, sheltered from the noise, the subject expressed a judgment much more on the mark than that manifested in wakefulness.

Human history began with an act of disobedience and it is not unlikely that it will be terminated by an act of obedience.

Productive work, love and thought are possible only if a person can be, when necessary, quiet and alone. To be able to listen to oneself is the necessary condition for relating oneself to others.

For [Karl] Marx it is socialist society which realizes "concretely" the religious principles of equality, brotherly love, and freedom.