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.

The social principles of Christianity preach cowardice, self-contempt, abasement, submission, humility, in a word all the qualities of the canaille

I am stretching out this volume, since those German dogs estimate the value of books by their cubic contents.

The essence of the free press is the reliable, reasonable and moral nature of freedom.

2 is a proletariat prime, but 4, 6 and 8 are also composite proletariats. Composites of the world unite; you have nothing to lose but your chains!

Wages are determined by the bitter struggle between capitalist and worker.

In the national struggles of the proletarians of the different countries, they point out and bring to the front the common interest of the entire proletariat, independently of all nationality.