I think it was in was in one of Stanisław Lem’s novels where a character postulated that the window of opportunity where a civilization is advanced enough to co

I think it was in was in one of Stanisław Lem’s novels where a character postulated that the window of opportunity where a civilization is advanced enough to communicate with others but not yet advanced enough to not care about that any more is a mere 3.000 years. Even if it was 300.000 years ... Assuming all star systems in our vicinity have inhabitable planets and they all develop such civilizations – what are the chances any of those two windows overlapping?