Cumulative Record. Chapter 23: Current Trends in Experimental Psychology. Quote 9

There is no more pathetic figure in psychology today than the mere collector of facts, who operates, or thinks he operates, with no basis for selecting one fact as against another. In the end, he is usually to be found doing something else, or perhaps nothing at all.

Behavior can only be satisfactorily understood by going beyond the facts themselves. What is needed is a theory of behavior . . . (p. 347)