In Russia itself the proletariat conquered in spite of the fact that there was no Soviet State in existence at the time elsewhere. For the victory are necessary, not only certain objective conditions, internal as well as external, but also certain subjective factors - the Party, the leadership, the strategy.
Leon TrotskyYet the proletariat has not only a vanguard, but also a rearguard, and besides the proletariat there are the peasantry and the bureaucracy.
Leon TrotskyOnly when the kulak refused to deliver grain to the State did [Joseph] Stalin, under the pressure of the Left Opposition, accomplish a sharp turn. Being the empiricist that he is, he moved, to the opposite extreme, and set as a task for two or three years the collectivization of all the peasantry, the liquidation of the kulaks as a class, and the compression of the Five Year Plan into four years.
Leon Trotsky