The first requisite for the happiness of the people is the abolition of religion.
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.
The full man does not understand the wants of the hungry
Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
Religion is the opiate of the people.
The capitalist mode of production and accumulation, and therefore capitalist private property, have for their fundamental condition the annihilation of self-earned private property: in other words, the expropriation of the labourer.