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 TrotskyLook back at history - those who guided the revolution in the time of its culmination never kept their leading positions long after the turning point.
Leon Trotsky[Joseph] Stalin closes the exposition of these [Leon Trotsky] ideas with the words, "Such are in general the characteristic features of [Vladimir] Lenin's conception of the proletarian revolution."
Leon Trotsky