In accordance with the doctrine of probability, different people living in a given society are likely in the course of their lives to meet with about the same amount of bad treatment. If one person in a given set receives, according to his own account, universal ill-treatment, the likelihood is that the cause lies in himself, and that he either imagines injuries from which in fact he has not suffered, or unconsciously behaves in such a way as to arouse uncontrollable irritation.
Source: The Conquest of Happiness, 1930, chap.8:Persecution mania
More info.:http://russell-j.com/beginner/HA18-010.HTM