The art of leadership is a serious matter. One must not lag behind a movement, because to do so is to become isolated from the masses. But one must not rush ahead, for to rush ahead is to lose contact with the masses. He who wished to lead a movement must conduct a fight on two fronts--against those who lag behind and those who rush ahead.
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 StalinNeither Italian fascism nor German national "socialism" have anything in common with such a [Soviet socialistic] society, primarily because private ownership of factories, plants, lands, banks, means of transportation, etc., remain untouched there, and, therefore, capitalism in Germany and Italy remains in full force.
Joseph Stalin