The whole struggle of our Party (and of the working class movement in Europe generally) must be directed against opportunism. The latter is not a current of opinion, not a tendency; it (opportunism) has now become the organised tool of the bourgeoisie within the working class movement.
Vladimir LeninThe aim of socialism is not only to abolish the present division of mankind into smaller states and all-national isolation, not only to bring the nations closer to each other, but also to merge them.
Vladimir LeninThe political form of a society wherein the proletariat is victorious in overthrowing the bourgeoisie will be a democratic republic.
Vladimir Lenin