We have seen that in certain respects operant reinforcement resembles the natural selection of evolutionary theory. Just as genetic characteristics which arise as mutations are selected or discarded by their consequences, so novel forms of behavior are selected or discarded through reinforcement.
B. F. SkinnerMany social practices essential to the welfare of the species involve the control of one person by another, and no one can suppress them who has any concern for human achievements
B. F. Skinner