During the lifetime of great ...

During the lifetime of great revolutionaries, the oppressing classes constantly hounded them, received their theories with the most savage malice, the most furious hatred and the most unscrupulous campaigns of lies and slander. After their death, attempts are made to convert them into harmless icons, to canonize them, so to say, and to hallow their names to a certain extent for the consolation of the oppressed classes and with the object of duping the latter, while at the same time robbing the revolutionary theory of its substance, blunting its revolutionary edge and vulgarizing it.
During the lifetime of great revolutionaries, the oppressing classes constantly hounded them, received their theories with the most savage malice, the most furious hatred and the most unscrupulous campaigns of lies and slander. After their death, attempts are made to convert them into harmless icons, to canonize them, so to say, and to hallow their names to a certain extent for the consolation of the oppressed classes and with the object of duping the latter, while at the same time robbing the revolutionary theory of its substance, blunting its revolutionary edge and vulgarizing it.

Quotes from the same author

Russians are too kind, they lack the ability to apply determined methods of revolutionary terror.
Only struggle educates the exploited class. Only struggle discloses to it the magnitude of its own power, widens its horizon, enhances its abilities, clarifies its mind, forges its will.
The art of any propagandist and agitator consists in his ability to find the best means of influencing any given audience, by presenting a definite truth, in such a way as to make it most convincing, most easy to digest, most graphic, and most strongly impressive.
A political leader who desires to be useful to the revolutionary proletariat must be able to distinguish concrete cases of compromises that are inexcusable and are an expression of opportunism and treachery.
The history of all countries shows that the working class exclusively by its own effort is able to develop only trade-union consciousness.