In the last analysis, productivity of labour is the most important, the principal thing for the victory of the new social system.

Without revolutionary theory there can be no revolutionary movement.

Only by abolishing private property in land and building cheap and hygienic dwellings can the housing problem be solved.

When one makes a Revolution, one cannot mark time; one must always go forward--or go back

The leaders of the petty bourgeoisie must teach the people to trust the bourgeoisie. The proletarians must teach the people to distrust the bourgeoisie.

All official and liberal science defends wage-slavery, whereas Marxism has declared relentless war on that slavery.

The entire trend of development is towards abolition of coercive domination of one part of society over another.