"The October Revolution was a democratic revolution, carried out by the working class."

"The dialectic is not a magical master key for all questions. It is not an algebra. It is a method of analysis, a method of investigation."

"The revolution is not a dinner party, not an essay, not a painting, not a embroidery; it cannot be so refined, so leisurely and gentle, so 'benign', 'courteous', 'restrained' and 'magnanimous'."

"The national program of socialism is only a bridge to the international program."

"The fate of the Russian Revolution depends entirely upon the course of the world revolution."