Шаг вперед, два шага назад : (кризис в нашей партии)

One Step Forward, Two Steps Back: The Crisis in Our Party (Russian: Шаг вперёд, два шага назад (Кризис в нашей партии), is a work written by Vladimir Lenin and published on May 6/19, 1904. In it Lenin defends his role in the 2nd Congress of the Russian Social Democratic Labour Party, held in Brussels and London from July 30 to August 23, 1903. Lenin examines the circumstances that resulted in a split within the party between a Bolshevik ("majority") faction, led by himself, and a Menshevik ("minority") faction, led by Julius Martov.