Gould argues that Snow reverses his position in 1963 with The Two Cultures: A Second Look and acknowledges that the original motivating assumption of "dichotomous parsing of intellectual life into contrarian literary and scientific camps" was not a true representation and Snow was sorry for having failed to recognize a third culture in the continuous spectrum of intellectual life.
Gould argues that in 1963, with his book "The Two Cultures: A Second Look," Snow acknowledges that his earlier view, which divided intellectual life into two camps (literary and scientific), was flawed. He regrets not recognizing a third culture within the spectrum of intellectual activity.