To overthrow the power of the bourgeoisie and to establish the power of the proletariat in one country still does not signify the full victory of Socialism.
Leon TrotskyOnly in the Fall of 1924 did [Joseph] Stalin discover that it is especially Russia, as distinguished from other countries, which can by its own forces build up a socialist society.
Leon TrotskyFor the overthrow of the bourgeoisie, the efforts of one country are sufficient - for this we have the testimony of the history of our revolution. For the definitive victory of Socialism, for the organization of Socialist production, the efforts of one country, especially of a peasant country like Russia, are insufficient - for that are required the efforts of the proletarians of several advanced countries.
Leon Trotsky