Cumulative Record. Chapter 24: The Flight from the Laboratory. Quote 17

Under the influence of a contrary philosophy of explanation, which insists upon the reductive priority of the inner event, many brilliant men who began with an interest in behavior, and might have advanced our knowledge of that field in many ways, have turned instead to the study of physiology. We cannot dispute the importance of their contributions, we can only imagine with regret what they might have done instead. (p. 372)