The failure of the Russian Socialist Republic will be the defeat of the proletariat of the whole world.

The Russian revolution was to an unprecedented degree the cause of the proletariat of the whole world becoming more revolutionary.

International socialism recognizes the right of free independent nations, with equal rights.

At the crash of economic collapse of which the rumblings can already be heard, the sleeping soldiers of the proletariat will awake as at the fanfare of the Last Judgment and the corpses of the victims of the struggle will arise and demand an accounting from those who are loaded down with curses.

The basic law of capitalism is you or I, not both you and I.

The new Germany has the unquestionable right to hold its tongue between its teeth.

Class struggle: external peace, international solidarity, peace among peoples. This is the sacred slogan of international socialist democracy that liberates nations.