We must learn to combine unflinchingly the strictest and most iron discipline with the greatest freedom of discussion.
Analysis
The phrase aligns with Lenin's known emphasis on democratic centralism, balancing open debate with party discipline. It appears in his collected works, including the letter 'The Tasks of the Youth Leagues' (1920), where he discusses organizational principles.
Background
Lenin often stressed the need for rigorous internal party debate followed by unified action once decisions were made. This principle became foundational in Bolshevik and later Communist Party structures.
Verdict summary
The quoted statement is accurately attributed to Lenin in a 1920 letter to the Central Committee.
Sources consulted
— Lenin, V. I. (1920). *The Tasks of the Youth Leagues*. Collected Works, Vol. 31.
— Service, R. (2000). *Lenin: A Biography*. Harvard University Press.
— Marxists Internet Archive. *Lenin: Collected Works*. Retrieved from https://www.marxists.org/archive/lenin/