In the present imperialistic milieu there can be no wars of national self-defense.
Karl Liebknecht

Through this experience we have been warned - learn everything, don't forget anything!
Karl Liebknecht

Consider well this fact: As long as the German people does not arise and use force directed by its own will, the assassination of the people will continue.
Karl Liebknecht

Capitalism is war; socialism is peace.
Karl Liebknecht

Yes, Socialists should defend their country in great historical crises.
Karl Liebknecht

Imperialism is not the creation of any one or any one group of states.
Karl Liebknecht

Just as invasion is the true and tried weapon in the hands of capital against the class struggle, so on the other hand the fearless pursuit of the class struggle has always proven the most effective preventative of foreign invasions.
Karl Liebknecht

To the socialist no nation is free whose national existence is based upon the enslavement of another people, for to him colonial peoples, too, are peoples, and, as such, parts of the national state.
Karl Liebknecht