In the development of both capitalism and communism, as we visualize them in the next fifty or a hundred years, the processes that encourage human alienation will continue.

What most people in our culture mean by being lovable is essentially a mixture between being popular and having sex appeal.

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

Sanity is only that which is within the frame of reference of conventional thought.

Reason is man's faculty for grasping the world by thought, in contradiction to intelligence, which is man's ability to manipulate the world with the help of thought. Reason is man's instrument for arriving at the truth, intelligence is man's instrument for manipulating the world more successfully; the former is essentially human, the latter belongs to the animal part of man.

The experience of separateness arouses anxiety; it is, indeed, the source of all anxiety.

Intellectuals are hindered on the way to being, by their narcissism.