There is no democracy without socialism, and no socialism without democracy..

The most revolutionary act is a clear view of the world as it really is..

Freedom is always and exclusively freedom for the one who thinks differently..

[Geology] opens up such wide intellectual vistas and supplies a more perfectly unified and more comprehensive conception of nature than any other sci….

Being human means throwing your whole life on the scales of destiny when need be, all the while rejoicing in every sunny day and every beautiful clou….

Social democracy.. is only the advance guard of the proletariat, a small piece of the total working masses; blood from their blood, and flesh from th….

The most revolutionary thing one can do is always to proclaim loudly what is happening..

Bourgeois society stands at the crossroads, either transition to socialism or regression into barbarism..

Before a revolution happens, it is perceived as impossible; after it happens, it is seen as having been inevitable..

Freedom only for supporters of the government, only for the members of one party - however numerous they may be - is no freedom at all. Freedom is al….

Without general elections, without freedom of the press, freedom of speech, freedom of assembly, without the free battle of opinions, life in every p….

With the true artist, the social formula that he recommends is a matter of secondary importance; the source of his art, its animating spirit, is deci….

Tomorrow the revolution will 'rise up again, clashing its weapons,' and to your horror it will proclaim with trumpets blazing: I was, I am, I shall b….

Friedrich Engels once said: "Bourgeois society stands at the crossroads, either transition to socialism or regression into barbarism." What does "reg….

Only to the rude ear of one who is quite indifferent does the song of a bird seem always the same..

The working classes in every country only learn to fight in the course of their struggles...Social democracy...is only the advance guard of the prole….

The self-discipline of the Social Democracy is not merely the replacement of the authority of bourgeois rulers with the authority of a socialist cent….

Tomorrow the revolution will already 'raise itself with a rattle' and announce with fanfare, to your terror: I was, I am, I will be!.

Freedom for supporters of the government only, for members of one party only no matter how big its membership may be is no freedom at all. Freedom ….

On the one hand, we have the mass; on the other, its historic goal, located outside of existing society. On one hand, we have the day-to-day struggle….

Bourgeois class domination is undoubtedly an historical necessity, but, so too, the rising of the working class against it. Capital is an historical ….