To choose one's victims, to prepare one's plan minutely, to slake an implacable vengeance, and then to go to bed... There is nothing sweeter in the world.
Joseph StalinAs soon as there are no more classes, as soon as boundaries between classes are effaced, as soon as only a few but non-fundamental differences between various strata of the socialist society remain - there can no longer be nourishing ground for the formation of parties struggling among themselves.
Joseph Stalin