"Capital is dead labour, which, vampire-like, only lives by sucking living labour, and lives the more, the more labour it sucks."

"The development of productive forces has reached a point where the existence of private property and the bourgeoisie are incompatible with further social development."

"The first requisite for the happiness of the people is the abolition of religion."

"Law, morality, religion, are to him so many bourgeois prejudices, behind which lurk in ambush just as many bourgeois interests."

"The product of labour is alienated from the worker; it becomes an alien object, a power independent of the producer."