"Repudiation of the Party principle and of Party discipline - that is what the opposition has arrived at . And this is tantamount to completely disarming the proletariat in the interests of the bourgeoisie It all ads up to that petty-bourgeois diffuseness and instability, that incapacity for sustained effort, unity and organized actions, which, if encouraged, must inevitably destroy any proletarian revolutionary movement."
January 1, 1970
https://en.wikiquote.org/wiki/Vladimir_Lenin