The main misfortune, the root of all evil to come, was loss of the confidence in the value of one's own opinion. People imagined that it was out of date of follow their own moral sense, that they must all sing in chorus, and live by other people's notions, notions that were crammed down everybody's throat.
As quoted in "Boris Pasternak" in I.F. Stone's Weekly (3 November 1958), § "Words Which Apply to Us As Well As Russia"; later in The Best of I.F. Stone (2006), p. 43 - Doctor Zhivago (1957)