History repeats itself, first as tragedy, second as farce.
Social progress can be measured by the social position of the female sex.
Democracy is the road to socialism.
Let the ruling classes tremble at a communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Workingmen of all countries, unite!
The production of too many useful things results in too many useless people.
The history of all previous societies has been the history of class struggles.
Religion is the opium of the masses.
Workers of the world unite; you have nothing to lose but your chains.
The only antidote to mental suffering is physical pain.
The theory of Communism may be summed up in one sentence: Abolish all private property.
The meaning of peace is the absence of opposition to socialism.
The rich will do anything for the poor but get off their backs.
From each according to his abilities, to each according to his needs.
Anyone who knows anything of history knows that great social changes are impossible without feminine upheaval. Social progress can be measured exactly by the social position of the fair sex, the ugly ones included.
Nothing can have value without being an object of utility.
Reason has always existed, but not always in a reasonable form.
Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people.
Revolutions are the locomotives of history.
Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
We should not say that one man’s hour is worth another man’s hour, but rather that one man during an hour is worth just as much as another man during an hour. Time is everything, man is nothing: he is at the most time’s carcass.
If anything is certain, it is that I myself am not a Marxist.