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. SkinnerThe problem of far greater importance remains to be solved. Rather than build a world in which we shall all live well, we must stop building one in which it will be impossible to live at all.
B. F. SkinnerThe one fact that I would cry form every housetop is this: the Good Life is waiting for us - here and now.
B. F. Skinner