Religion is the opium of the people translated from the German Die Religion ... ist das Opium des Volkessometimes misquoted as opiate of the people.

All our inventions have endowed material forces with intellectual life, and degraded human life into a material force.

In every stockjobbing swindle every one knows that some time or other the crash must come, but every one hopes that it may fall on the head of his neighbor, after he himself has caught the shower of gold and placed it in safety.

In the bureaucracy, the identity of state interest and particular private aim is established in such a way that the state interest becomes a particular private aim over against other private aims.

Darwin has interested us in the history of nature's technology.

Nothing is easier than to give Christian asceticism a Socialist tinge.

We know that violent measures against religion are nonsense; but this is an opinion: as socialism grows, religion will disappear. Its disappearance must be done by social development, in which education must play a part.