By their critisism of the existing system, which repeats the Social-Democratic critisism almost word for word, the Bolshevik opposition is preparing minds... for the acceptance of the positive platform of Social-Democracy.... Not only among the mass of the workers, but among communist workers as well, the opposition is rearing the shoots of ideas and sentiments which, if skillfully tended, may easily bear social-democratic fruit.

Dan in Sotsiallistichesky Vestnik no. 17-18 about the Trotskyite opposition in the Soviet Union. Quote from Harpal Brar's Trotskyism or Leninism? p. 476.