Philosophy is to science as masturbation is to sex.

A man cannot become a child again, or he becomes childish.

As individuals express their life, so they are. What they are, therefore, coincides with their production, both with what they produce and with how they produce. The nature of individuals thus depends on the material conditions determining their production.

All I know is that I am not a Marxist.

Communism deprives no man of the ability to appropriate the fruits of his labour. The only thing it deprives him of is the ability to enslave others by means of such appropriations.

Only in community with others has each individual the means of cultivating his gifts in all directions; only in the community, therefore, is personal freedom possible.

Social reforms are never carried out by the weakness of the strong; but always by the strength of the weak.