Workers of the world unite; you have nothing to lose but your chains.
Religion is the opium of the masses.
From each according to his abilities, to each according to his needs.
Democracy is the road to socialism.
Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.
The history of all previous societies has been the history of class struggles.
The first requisite for the happiness of the people is the abolition of religion.
Nothing can have value without being an object of utility.
For the bureaucrat, the world is a mere object to be manipulated by him.
Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
Religion is the impotence of the human mind to deal with occurrences it cannot understand.
Capital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.
The rich will do anything for the poor but get off their backs.
The only antidote to mental suffering is physical pain.
The production of too many useful things results in too many useless people.
History repeats itself, first as tragedy, second as farce.