Note that while Lenin might have said that in 1903, that was a decade and a half before the October Revolution, and Russia and the USSR actually did have internal passports. According to the pedophiles at Wikipedia it was only abolished in 1997. It's easy to criticize a regime you're trying to overthrow and replace with something a thousand times worse.
The USSR also had multiple "secret cities", usually tied to strategic interests like nuclear research, submarine bases, etc., with extremely strict border controls. https://passportsymphony.com/closed-russian-cities/
Note that while Lenin might have said that in 1903, that was a decade and a half before the October Revolution, and Russia and the USSR actually did have internal passports. According to the pedophiles at Wikipedia it was only abolished in 1997. It's easy to criticize a regime you're trying to overthrow and replace with something a thousand times worse.
The USSR also had multiple "secret cities", usually tied to strategic interests like nuclear research, submarine bases, etc., with extremely strict border controls. https://passportsymphony.com/closed-russian-cities/