The natural scientist must be a modern materialist, a conscious adherent of the materialism represented by Marx, i.e., he must be a dialectical mater… - Vladimir Lenin

The Soviets are a new state apparatus which, in the first place, provides an armed force of workers and peasants; and this force is not divorced from the people, as was the old standing army, but is very closely bound up with the people, From the military point of view this force is incomparably more powerful than previous forces; from the revolutionary point of view, it cannot be replaced by anything else.

Sensation is a subjective image of the objective world.

Capitalism in its imperialist stage arrives at the threshold of the most complete socialization of production. In spite of themselves the capitalists are dragged, as it were, into the new social order, which marks the transition from complete free competition to complete socialization. Production becomes social, but appropriation remains private. The social means of production remain the private property of a few. The framework of formally recognized free competition remains, but the yoke of a few monopolists on the rest of the population becomes a hundred times heavier, more burdensome and intolerable.